How Many Moles of Calcium Metal React to Yield 0

question 2

Multiple Choice

How many moles of calcium metal react to yield 0.500 mol of hydrogen gas? __Ca(s) + __H₂O(l) → __Ca(OH) 2(aq) + __H₂(g)

• A)0.250 mol
• B)0.500 mol
• C)1.00 mol
• D)2.00 mol
• E)none of the above

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