QUESTION 2 When NH 4 NO 3 is added to water, which of the following species is p

Question

QUESTION 2

When NH4NO3 is added to water, which of the following species is present?

NH4+ + NO3-

4 H+ + 2 N3- + 3 O2-

NH42+ + NO32-

N3- + 4 H+ + NO3-

NH4NO3 (s)

10 points   

QUESTION 3

When Na2CO3 is added to water, which of the following species will be present?

2 Na+ + CO32-

Na2+ + 2 CO3-

2 Na+ + C4+ + 3 O2-

Na+ + NaCO3-

Na2CO3 (s)

10 points   

QUESTION 4

When FePO4 is added to water, which of the following species is present?

Fe2+ + PO43-

Fe3+ + PO43-

Fe2+ + P3- + 4 O-

Fe3+ + P3- + 4 O-

FePO4 (s)

10 points   

QUESTION 5

When Mg(NO3)2 is added to water, which of the following species will be present?

Mg+ + (NO3)2-

Mg2+ + 2 NO3-

Mg2+ + 2 N3- + 6 O2-

Mg+ + 2 NO3-

Mg(NO3)2 (s)

NH4+ + NO3-

4 H+ + 2 N3- + 3 O2-

NH42+ + NO32-

N3- + 4 H+ + NO3-

NH4NO3 (s)

Explanation / Answer

2. NH4+ and NO^-

3. 2Na+ and CO3 ^2-

4. FePO4^- (S)

5. Mg2+ and 2NO3^-

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