Molarity problems worksheet doc
[PDF File] Molarity Problems Worksheet
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Molarity Problems Worksheet M = _n_ - n= # moles V - V must be in liters (change if necessary) - Use M or mol/L as unit for molarity 1. What is the molarity of a 0.30 liter solution containing 0.50 moles of NaCl? 2. Calculate the molarity of 0.289 moles of FeCl 3 dissolved in 120 ml of solution? 3.
[PDF File] molarity - Mister Chemistry
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MolaritY Practice Worksheet Find the molarity of the following solutions: 4) 0.5 moles of sodium chloride is dissolved to make 0.05 liters of solution. 0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. 0.5 grams of sodium chloride is dissolved to make 0.05 ml- of solution. 734 grams of lithium sulfate are dissolved to ...
[PDF File] Molarity Practice Problems #1 1. 3. - All-in-One High School
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Molarity Practice Problems #1 Answer Key 1. How many grams of potassium carbonate are needed to make 280 mL of a 2.5 M solution? Using the molarity equation (M = mol/L), we can find that we'll need 0.70 mol of potassium carbonate. Given that the molar mass of K2CO3 is 138.21 g/mol, this means that we'll require 97 grams 2.
[PDF File] Molarity Worksheet W 331 - Everett Community College
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Solutions. What is the molarity of the following solutions given that: 1.0 moles of potassium fluoride is dissolved to make 0.10 L of solution. 1.0 mole KF = 10. 0.10 L soln. 1.0 grams of potassium fluoride is dissolved to make 0.10 L of solution. 1.0 g …
[PDF File] Solutions Molarity Worksheet Name: KEY - University of …
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Solutions Molarity Worksheet Name: _____KEY_____ 1. When we dissolve a cube of sugar in one cup of water, we create a homogeneous mixture. Such mixture is called a solution. The sugar is the solute and water is the solvent. 2. The molarity of a solutio n is defined as the moles of solute per liter of solution. Molarity is abbreviated as M.
[PDF File] Stoichiometry: Problem Sheet 1
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How many moles of water are produced when 57 moles of nitrogen are made? 3. Calculate the mass of aluminum oxide produced when 3.75 moles of aluminum burn in oxygen. Answers: 1A. 30 mol Ag 1B. 30 mol AgNO3. 1C. 20 mol H2O 1D. 10 mol NO. 2A. 38 mol N2H4 2B. 19 mol N2O4. 2C. 76 mol H2O.
[PDF File] CHEM1001 Worksheet 6: Concentration Model 1: …
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Microsoft Word - ws6b.docx. CHEM1001 Worksheet 6: Concentration Model 1: Concentration. Most chemical reactions occur in solution, including almost all of those occurring in our bodies. When dealing with solutions, we measure out volumes instead of weighing out quantities. Volume is related to the number of moles present using the …
[PDF File] Molarity Problems - Cerritos College
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1. Molarity Problems. 1. What is the molarity of a solution that was prepared by dissolving 14.2 g of NaNO3 (molar mass = 85.0 g/mol) in enough water to make 350 mL of solution? Ans: 0.477 M. 2. What is the molarity of a solution that was prepared by dissolving 82.0 g of CaCl2 (molar mass = 111.1 g/mol) in enough water to make 812 mL of solution?
[PDF File] Molarity Problems Worksheet - Diman Regional
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Molarity Problems Worksheet Use M or mol/L as unit for molarity. Remember that 1 Liter = 1000 mL. Do not confuse M, L, and mL! Some problems ask for volume – by algebra, V = n/M. Some problems ask for number of moles – n = V M. 1. What is the molarity of a 0.30 liter solution containing 0.50 moles of NaCl? 2.
[PDF File] Practice Test Ch 3 Stoichiometry Name Per - Miss Carino's …
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Convert both values to moles: 138gNO2 ⎜ ⎝ ⎟ = ⎠ 3molNO2 and 54gH2O ⎜ ⎝ ⎟ = ⎠ 3molH2O Clearly the NO2 limits 46g 18g since the balanced equation tells us that 3 moles are required for every one mole of water, thus use the limiting reactant to ⎛ 2HNO ⎞ ⎛ 63g determine the amount of acid that can be produced. ⎞.
[PDF File] Concentrations Worksheet: Molarity and Molality
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What is the molarity of the solution? (first convert grams to moles!) 0.035M 4) How many grams of NaCl must be added to 2.00mL of water to make a 85.5M solution? (1000 mL = 1 L) 9.99g Molality Example: If you add 0.5 moles of sugar (C 6 H 1 2 O 6 ) to 2.0 kg of water, what is the molality? 0.5 moles = 0.25 m This solution is 0.25 molal or 0.25 ...
[PDF File] Mole Conversions Practice Worksheet with Key
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MOLE WORKSHEET #2 Make the following conversions using unit analysis. Use a separate piece of paper, show all work, and circle your final answer. (Attach this sheet to your work). Set A: One Step Problems: Convert to moles: Convert to mass in grams: 10.0 moles Na 11. 12. 2.20 moles Sn 13. 5.00 moles Ag 14. 3.0 x 104 moles Au 15. 1.00 x 10-7 moles B
[PDF File] Titrations Practice Worksheet - Just Only
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Answers to the Titrations Practice Worksheet. For questions 1 and 2, the units for your final answer should be “M”, or “molar”, because you’re trying to find the molarity of the acid or base solution. To solve these problems, use M1V1 = M2V2. 1) 0.043 M HCl. 2) 0.0036 M NaOH. For problem 3, you need to divide your final answer by two ...
[PDF File] Dilutions Worksheet - Science Classroom Teacher Resources
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Dilutions Worksheet - Solutions. 1) If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? M1V1 = M2V2 (0.15 M)(125 mL) = x (150 mL) x = 0.125 M. 2) If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be?
[PDF File] Worksheet: Molarity Name - Georgia Public Broadcasting
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Molarity = ________________. Problems: Show all work and circle your final answer. 1. To make a 4.00 M solution, how many moles of solute will be needed if 12.0 liters of solution are required? 2. How many moles of sucrose are dissolved in 250 mL of solution if the solution concentration is 0.150 M? 3. What is the molarity of a solution of HNO3 ...
[PDF File] Worksheet: Calculating Empirical & Molecular Formulas
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Worksheet: Calculating Empirical & Molecular Formulas 12. Acetylene gas is 92.3% carbon and 7.7% hydrogen (by mass), and its molar mass is 26 g/mol. What is its molecular formula? [A] C2H2 [B] CH4 [C] CH [D] C4H4 [E] none of these 13. The empirical formula of a compound is known to be CH2, and its molar mass is 56 g/mol. What is the molecular ...
[PDF File] Mole to Grams, Grams to Moles Conversions Worksheet
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5) MgCl2. 6) (NH4)2SO4. There are three definitions (equalities) of mole. They are: 1 mole = 6.02 x 1023 particles. 1 mole = molar mass (could be atomic mass from periodic table or molecular mass) 1 mole = 22.4 L of a gas at STP (You do not need to worry about this yet) Each definition can be written as a set of two conversion factors.
[PDF File] Calculating pH and pOH worksheet - Everett Community …
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Calculating pH and pOH worksheet W 335 Everett Community College Tutoring Center Student Support Services Program 1) What is the pH of a 0.0235 M HCl solution? 2) What is the pOH of a 0.0235 M HCl solution? 3) What is the pH of a 6.50 x 10-3 M KOH solution? (Hint: this is a basic solution – concentration is of OH-)
[PDF File] Molarity Problems Worksheet - GaryTurnerScience
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Molarity Problems Worksheet . M = _n_ - n= # moles V - V must be in liters (change if necessary) - Use M or mol/L as unit for molarity. 1. What is the molarity of a 0.30 liter solution containing 0.50 moles of NaCl? 2. Calculate the molarity of 0.289 moles of FeCl. 3 . dissolved in 120 ml of solution? 3. If a 0.075 liter solution contains 0. ...
[PDF File] Molar Mass Practice Worksheet - My Chemistry Class
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Solutions to the Molar Mass Practice Worksheet: Important note to students: All of the units given here are “grams per mole”, which may be abbreviated as “g/mol”, “grams/mol”, or “g . mol-1”, depending on how your teacher likes to see it written. They all mean the same thing, but it’s probably a good idea to use whatever your ...
[PDF File] Molarity Worksheet - My Chemistry Class - Home page
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Dilutions worksheet. MOLARITY EXTRA PRACTICE WORKSHEET. 1. What is the molarity of 2.0 L of solution made from 2.4 moles of NaCl and water? 2. What is the molarity of 500. mL of solution made from 0.70 moles of LiCl and water? 3. What is the molarity of 100. mL of solution made from 0.45 g of NaOH and water?
[PDF File] CHEMISTRY DILUTION PRACTICE - Miami-Dade County Public …
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the moles of solute equals the molarity times the volume. So we can substitute MV (molarity times volume) into the above equation, like this: M1V1= M2V2 ... Practice Problems 1. A stock solution of 1.00 M NaCl is available. How many milliliters are needed to make 100.0 mL of 0.750 M 2. What volume of 0.250 M KCl is needed to
[PDF File] Molarity Practice Problems - Science Classroom Teacher …
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4) How many grams of ammonium sulfate are needed to make a 0.25 M solution at a concentration of 6 M? 171.2 grams. 5) What is the concentration of a solution with a volume of 2.5 liters containing 660 grams of calcium phosphate? 0.85 M. 6) How many grams of copper (II) fluoride are needed to make 6.7 liters of a.
[PDF File] Dilutions Worksheet - Department of Chemistry
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Dilutions Worksheet. I add 560 mL more water to it? 2) If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be? 3) If I leave 750 mL of 0.50 M sodium chloride solution uncovered on a windowsill and 150 mL of the solvent evaporates, what will the new concentration of the sodium ...
[PDF File] Worksheet: Molarity Name - Georgia Public Broadcasting
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Molarity = ________________. Problems: Show all work and circle your final answer. 1. To make a 4.00 M solution, how many moles of solute will be needed if 12.0 liters of solution are required? 2. How many moles of sucrose are dissolved in 250 mL of solution if the solution concentration is 0.150 M? 3. What is the molarity of a solution of HNO3 ...
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