H2 is produced by the reaction of 119.1 mL of a 0.9028 M solution of H3PO4 according to the following equation. 2 Cr + 2 H3PO4 → 3 H2 + 2 CrPO4 (a) Determine the number of moles of H2. mol (b) Determine the mass (in g) of H2. g
H2 is produced by the reaction of 119.1 mL of a 0.9028 M solution of H3PO4 according to the following equation. 2 Cr + 2 H3PO4 → 3 H2 + 2 CrPO4 (a) Determine the number of moles of H2. mol (b) Determine the mass (in g) of H2. g
Chemistry
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Chapter1: Chemical Foundations
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Question
H2 is produced by the reaction of 119.1 mL of a 0.9028 M solution of H3PO4 according to the following equation.
2 Cr + 2 H3PO4 → 3 H2 + 2 CrPO4
(a)
Determine the number of moles of H2.
mol
(b)
Determine the mass (in g) of H2.
g
Expert Solution
Step 1
Given:
Volume of H3PO4 solution = 119.1 mL
Molarity of H3PO4 solution = 0.9028 M
Molar mass of H2 = 2.01 g/mol
Step by step
Solved in 3 steps
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