Identify the Coefficient of Ca(OH)₂(aq)when the Following Reaction Is Balanced,and

question 121

Multiple Choice

Identify the coefficient of Ca(OH) ₂(aq) when the following reaction is balanced,and determine the number of millilitres of 0.00300 mol L-1 phosphoric acid required to neutralize 45.00 mL of 0.00150 mol L^-1 calcium hydroxide.
(unbalanced) Ca(OH) ₂(aq) + H₃PO₄(aq) → Ca₃(PO₄) ₂(aq) + H₂O(l)

• A)Coefficient 1,volume 3.04 mL
• B)Coefficient 3,volume 15.0 mL
• C)Coefficient 2,volume 22.5 mL
• D)Coefficient 4,volume 33.8 mL

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