Calculating moles from mm and ml: free download. On-line document store on 5y1.org

[DOC File]Chapter 16 Solutions
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Apr 24, 2006 · How many moles of ammonium nitrate are in 335 ml of 0.425 M NH4NO3? Making Dilutions. Diluting a solution reduces the number of moles of solute per unit volume, but the total number of moles of solute in solution does not change. Moles of solute before dilution = moles of solute after dilution. Moles os solute = M1 x V1 = M2 x V2. initial final
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[DOC File]Reaction of Magnesium with Hydrochloric Acid
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How many moles of hydrogen gas would be produced by the complete reaction of this magnesium? A student weighed .0367 g of magnesium to produce hydrogen gas collected over water at 24 oC and 746 mm Hg atmospheric pressure. If the volume of the collected gas was 36.3 mL, what is the value of the gas constant, R, determined by the student?
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[DOC File]CHAPTER 5
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Known: Molecular mass (in amus) is the same number as molar mass (g/mol). We can use V = 1 L (exact). We can use the ideal gas law to solve for moles and then form a ratio of 2.26 g over the calculated number of moles to get g/mol. Solution: Find moles of vapor: n = = = 0.03523 mol. Find Mm: Mm = = = 64.1 g/mol. Thus the molecular mass is 64.1 amu.
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[DOC File]Chemistry 101L - Kentucky Department of Education
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Place about 3 mL of water (about 3 cm deep) in another small test tube. Add the water to test tube containing the calcium. calcium + water. Type of reaction: Reaction equation: D. Place around 1 mL of 0.1 M copper(II) sulfate in one small test tube and 1 mL of 3 M sodium hydroxide in another small test tube.
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[DOC File]Calculations
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This 5 moles is now in a final volume of 20 mL ( 5 mol/20 mL ( 250 M or 0.25 mM. The key to doing this problem is to convert the concentration to sensible units i.e. M ( mol/mL. Then it is easy to see how many moles you would have in 0.5 mL and then very easy to calculate the diluted concentration, given that the 5 moles will now be in 20 mL.
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[DOC File]Chemistry 1/2
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2. Clean the surface of a magnesium ribbon and measure a mass that is 0.045 (3.0 cm) grams or slightly less if you are using a 50 mL eudiometer or that is 0.090 grams or slightly less (6.0 cm) if you are using a 100 mL eudiometer. Record the mass of the magnesium to the nearest 0.001 gram in the data table. 3.
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[DOC File]Enzyme Activity and Substrate Specificity
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1.92 (moles ( min-1 ( ml-1 ( 10 (10% homogenate) = 19.2 (moles ( min-1 ( g wet weight-1. Spectronic 20D Spectrophotometer Since spectrophotometry is a principle means by which we measure the concentration of biochemical compounds in solution, it is important that you become proficient in the use of this instrument.
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[DOC File]Chemistry Lab Manual® .k12.nj.us
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1. determine the number of moles of copper produced and the number of moles of iron used in the reaction. 2. calculate the ratio of moles of iron to moles of copper. 3. determine the formula and the name of the iron chloride produced. MATERIALS. 100 Ml beaker 250 Ml beaker graduated cylinder stirring rod wash bottle w/de-ionized water forceps
calculating moles from ml

[DOC File]AP Chemistry
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GAS SAMPLE DATA Volume of sample 90.0 mL Temperature 25 C Atmospheric Pressure 745 mm Hg Equilibrium Vapor Pressure of H2O (25 C) 23.8 mm Hg (a) Calculate the number of moles of hydrogen gas collected. (b) Calculate the number of molecules of water vapor in the sample of gas.
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[DOC File]Part 1: What is it
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1 g sodium stearate 1.50 mL dish liquid = g /ml 100 mL dish liquid 100 mL diluted solution Calculate the number of moles of sodium stearate in a single layer. To do this, first take the number of drops used to achieve the monolayer (1 drop) and convert it to mL using the calibrated number of drops per mL.
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Calculating moles from mm and ml