Consider the Reaction: 3Co²⁺(aq) + 6NO₃(aq) + 6Na⁺(aq) + 2PO₄^3-(aq)

question 109

Multiple Choice

Consider the reaction: 3Co²⁺(aq) + 6NO₃(aq) + 6Na⁺(aq) + 2PO₄^3-(aq) → Co₃(PO₄) ₂(s) + 6Na⁺(aq) + 6NO₃(aq)
Identify the net ionic equation for this reaction.

• A)Na ⁺( aq) + NO ₃ ⁻( aq)→ NaNO ₃( aq)
• B)3Co ²⁺( aq)+ NO ₃ ⁻( aq)+ Na ⁺( aq)+ 2PO ₄ ³⁻( aq)→ Co ₃(PO ₄)₂( s)+ NaNO ₃( aq)
• C)3Co ²⁺( aq)+ 6NO ₃ ⁻( aq)+ 6Na ⁺( aq)+ 2PO ₄ ³⁻( aq)→ Co ₃(PO ₄)₂( s)+ 6NaNO ₃( aq)
• D)3Co ²⁺( aq)+ 2PO ₄ ³⁻( aq)→ Co ₃(PO ₄)₂( s)
• E)None of these choices are correct.

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Definitions:

Semiannual Interest

Interest that is calculated and paid twice a year, commonly found in bonds and loans.

Present Value

A financial concept that represents the current value of a future amount of money or stream of cash flows given a specified rate of return.

Compounded Annually

The process of calculating interest on the initial principal, which also includes all the accumulated interest from previous periods on a loan or deposit.

Amortization Schedule

A table detailing each periodic payment on a loan, showing the amount of principal and the amount of interest.