Molarity to molar mass calculator
[DOC File]Chapter 13 worksheet #1
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Mass of water = mass of solution – mass of NaOH = 1000 g – (0.300 mol)(40 g/mol) = 1000 g – 12 g = 988 g. Molality = 0.300 mol/0.988 kg = 0.304 m. Notice that the molality is a little bigger than molarity. Why are these two numbers similar and why is molality always greater than molarity?
[DOC File]Molar Mass - jdenuno
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Title: Molar Mass . Purpose: To determine the molar mass of a compound. Materials: 0.1 M potassium hydroxide, KOH. potassium hydrogen phthalate (KHP), KHC8H4O4. phenolphthalein test paper. distilled water 15 mL beaker. 150 mL beaker. graduated pipet. 1.0 mL measuring spoon. 10.0 mL graduated cylinder Procedure: Calibrate a dropping bottle
[DOC File]THE MOLE
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Molar mass CO2= 44 gmole-1√ Molar mass H2O = 18 gmole-1√ Molar mass X = 0.29 x (24 x 1000)cm3 = 58 gmole-1√ 120cm3. Since a hydrocarbon is a compound containing Carbon and Hydrogen only. Then: Mass of carbon in CO2 = Mass of C in CO2 x mass of CO2 => Molar mass of CO2 12 x …
[DOC File]1970
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(a) too low; molarity NaOH is lower concentration (through dilution with the drops of distilled water remaining in the buret) than standard leading to a higher volume used in titration, since MBVB = molA and 0.500 g/molA = molar mass, then a larger denominator gives a result that is too small.
[DOC File]Molarity Worksheet #1 - Science Done Wright
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What is the molarity of a solution that contains 14.92 grams magnesium oxalate in 3.65 ml of solution? 14.92g MgC2C4 x 1 mol MgC2C4 = 36.4 mol MgC2C4. 0.00365 L soln 112.32g MgC2C4. What mass of lithium phosphate would you mass to make 2.5 liter of 1.06 M lithium phosphate solution? 2.5 L soln x 1.06 mol Li3PO4 x 115.79g Li3PO4 = 310g Li3PO4
[DOC File]Name:
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You may use a calculator and a periodic table. Part I. Multiple choice. [4 pts each] 1. Which of the following gives the molarity of a 17.0% by mass solution of sodium acetate, CH3COONa (molar mass = 82.0 g/mol) in water? The density of the solution is 1.09 g/mL. A) 7.26 10 – 6 M B) 0.207 M C) 1.07 M ...
[DOC File]Calculate the molar mass of calcium phosphate
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What is the molarity of the solution produced when 85.6 g of hydrochloric acid (HCl) is dissolved in sufficient water to prepare 0.385 L of solution? This is a good leave in the calculator problem 85.6 g HCl | 1 mol HCl = 6.10 mol HCl =
[DOC File]Acid-Base Titration
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Using the initial mass of the Na2CO3 and molarity of the HCl, calculate the first and second equivalence point and half-equivalence point volumes of HCl and make sure that these points are part of the titration data taken. ... The calculator should show the intercept and slope values of the calibration line. ... Mass of Na2CO3 Molar mass of ...
[DOCX File]Stoichiometry Practice Worksheet
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Find the molarity of the following solutions: 1)0.5 moles of sodium chloride is dissolved to make 0.05 liters of solution. 2)0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. 3)0.5 grams of sodium chloride is dissolved to make 0.05 mL of solution. 4)734 grams of lithium sulfate are dissolved to make 2500 mL of solution.
[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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Find the molecular formula of a compound if its empirical formula is CH2O and its molar mass is 90 g/mol. CH2O = 12 + (2 x 1) + 16 = 30 g/mol. 90/30 = 3, so empirical formula x 3 + molecular formula =m so MF = C3H6O3 _____ Title: UNIT 3 – WORKSHEET 1: MOLE PROBLEMS Author: Fairfax County Public Schools Last modified by ...
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