Write a molecular equation for the precipitation reaction that occurs (if any) w

Question

Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs, write NOREACTION.

Part A

potassium carbonate and lead(II) nitrate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

K2CO3(aq)+Pb(NO3)2(aq)PbCO3(s)+2KNO3(aq)

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Correct

Part B

lithium sulfate and lead(II) acetate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

Li2SO4(aq)+Pb(C2H3O2)2(aq)PbSO4(s)+2LiC2H3O2(aq)

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Correct

Part C

copper(II) nitrate and sodium sulfate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

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Part D

strontium nitrate and sodium sulfate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs, write NOREACTION.

Part A

potassium carbonate and lead(II) nitrate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

K2CO3(aq)+Pb(NO3)2(aq)PbCO3(s)+2KNO3(aq)

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Correct

Part B

lithium sulfate and lead(II) acetate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

Li2SO4(aq)+Pb(C2H3O2)2(aq)PbSO4(s)+2LiC2H3O2(aq)

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Correct

Part C

copper(II) nitrate and sodium sulfate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

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Incorrect; Try Again; 2 attempts remaining

Part D

strontium nitrate and sodium sulfate

Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.

Explanation / Answer

A and B are correct!

C)

copper(II) nitrate and sodium sulfate

Cu(NO3)2 + Na2SO4(aq) --> 2NaNO3(aq) + CuSO4(aq)

note that CuSO4 is very soluble, so there is NOREACTION!

D)

strontium nitrate and sodium sulfate

SrNO3 + Na2SO4 --> NaNO3 + SrSO4

same case as before, Sr and Na are IA family metals, those will remain in ionic state in aquous solution

so NOREACTION

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