djmagesty djmagesty

04-03-2019
Chemistry

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If 14.7 g of calctum is placed in 11.5 g of water, what mass of hydrogen gas is produced?

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Plutonium13 Plutonium13

06-03-2019

I’m guessing you mean calcium?

Start off with a balanced equation:

2Ca + 2H20 ➡️ 2CaOH + H2

This is a limiting reactant problem. Solve for the amount of H2 gas produced with respect to each reactant using the mole ratio. The reactant that produces the least amount of H2 has is the answer.

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