1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2...

Question

Question

1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2 + C2H2

a. How many moles of C2H2 will be created if 4.05 g of CaC2 are allowed to react (with excess water)?

b. How many molecules of water were used in part A (i.e. how many water molecules reacted with the 4.05 g of CaC2)?

c. What mass of CaC2 would you need if you wanted to produce 500.3 g of C2H2?

2. A chemist created a 250 mL solution of salt water by mixing 2.5 g of NaCl with water. What is the molarity of this solution?

Answer 1

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