Question description

Molecular Formula Practice
1. 
Calcium carbide, CaC2 reacts with
water to form acetylene.

CaC2(s) + 2H20(l)   C2H2(g)
+ Ca(OH)2(s)
a. 
How many grams of water are needed to react with
485 g of calcium carbide?
b. 
How many grams of CaC2 could make
23.6 g C2H2?
c. 
If 55.3 g Ca(OH)2 are formed, how
many grams of water reacted?

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