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Old 04-04-2008, 02:52 AM
hotpinkrazr3 hotpinkrazr3 is offline
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hurry please chemistry!!?

Calcium carbide, CaC2, reacts with water to form acetylene.
CaC2(s) + 2 H2O(l) C2H2(g) + Ca(OH)2(s)
(a) How many grams of water are needed to react with 479 g of calcium carbide?
(b) How many grams of CaC2 could make 23.6 g C2H2?
(c) If 51.3 g Ca(OH)2 are formed, how many grams of water reacted?
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