1) What is a stock solution? a) Concentrated solution b) Dilute solution  c) normal solution 2) A student mixes 160. milliliters of 0.25 molar HCl with 200. milliliters of 0.50 molar HCl and the adds enough distilled water to the mixture to bring the total volume to 500. milliliters. What is the molarity of HCl in the final solution? a) 0.14M b) 0.28M c) 0.38M d) 0.56M 3)  What is the molarity of a solution containing 45.4 g of MgCl2 dissolved in 500ml of solution? a) 0.45M b) 0.95M c) 0.85 d) 0.586M 4) When diluting acids always a) add water to acid b) add acid to water

CHM40A-LO 5.2- Solution Stoichiometry

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