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natali 33 [55]
3 years ago
6

Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coeff

icients. A precipitate forms when aqueous solutions of nickel(II) nitrate and sodium carbonate are combined. Do not include states such as (s) or (aq). It is not necessary for you to indicate which of the products is the precipitate.
Chemistry
1 answer:
Verizon [17]3 years ago
8 0

Answer:

Ni(NO₃)₂ + Na₂CO₃ ⇒ NiCO₃ + 2 NaNO₃

Explanation:

Let's consider the unbalanced equation for the reaction that occurs when aqueous solutions of nickel(II) nitrate and sodium carbonate are combined. This is a double-replacement precipitation reaction.

Ni(NO₃)₂ + Na₂CO₃ ⇒ NiCO₃ + NaNO₃

We will balance the equation using the trial and error method.

First, we will balance Na atoms by multiplying NaNO₃ by 2.

Ni(NO₃)₂ + Na₂CO₃ ⇒ NiCO₃ + 2 NaNO₃

As we can see, the equation is balanced.

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