Asked Sep 22, 2019
nickel(II) nitrate heptahydrate
Express your answer as a chemical formula.

Expert Answer

Step 1

Here, in the given compound we have two ions Ni+2 and NO3-1and 7 hydrate (H2O).

Step 2

Nickel has charge of +2 and would need two nitrates to balance the charge. They will combine in a 1:2 ratio and forms Ni(NO3)2.


Image Transcriptionclose

Ni*2 No2 1 +2 Ni(NO3)2

Step 3

A hydrate is a substance that contains water (H2O).

Hepta numerically equal to 7.

So, 7 H...

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