Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Concentration

287 views

Published on

Published in: Business, Technology
  • Be the first to comment

Concentration

  1. 1. November 22nd, 2011 Practice ProblemsSolve the following problems:1.Calculate the molarity of 1.60L of a solution containing 1.55 g of dissolved KBr.2.How much calcium hydroxide, in moles, is needed to produce 1.5 L of a 0.25Msolution?3.How many grams of calcium chloride should be dissolved in 500.0 mL of waterto make a 0.20M solution of calcium chloride?4.M1V1 = M2V2. You are asked to make a 0.50L solution of calcium chloride with amolarity of 0.300M. How much volume of a stock solution with a molarity of2.00M do you need in order to make your solution?5.What volume of a 3.00MKI stock solution would you use to make a 0.300L of a1.25M KI solution?6. What is the molality of a solution containing 10.0 mol of sodium sulfatedissolved in 1000.0 g of water?7. What is the molality of a solution containing 20.0 g of hydrochloric aciddissolved in 200.0 g of water?8. How much barium hydroxide is needed to make a 1.0m aqueous solution?

×