Problem: H2 is produced by the reaction of 118.5 mL of a 0.8775-M solution of H3PO4 according to the following equation: 2Cr + 2H3PO4 ⟶ 3H2 + 2CrPO4.(a) Outline the steps necessary to determine the number of moles and mass of H2.

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FREE Expert Solution

Step 1: Make sure the reaction equation is balanced.

Step 2: Calculate initial moles of H3PO4.

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Problem Details

H2 is produced by the reaction of 118.5 mL of a 0.8775-M solution of H3PO4 according to the following equation: 2Cr + 2H3PO4 ⟶ 3H2 + 2CrPO4.

(a) Outline the steps necessary to determine the number of moles and mass of H2.