Question

na₂s(aq) + pb(no₃)₂(aq) → nano₃(aq) + pbs(s)
express your answer as a chemical equation. identify all of the phases in your answer.
a chemical reaction does not occur for this question.
submit request answer

Explanation:

Step1: Count atoms on each side

Left: Na=2, S=1, Pb=1, N=2, O=6
Right: Na=1, S=1, Pb=1, N=1, O=3

Step2: Balance Na and N

Add coefficient 2 to NaNO₃:
$\text{Na}_2\text{S(aq)} + \text{Pb(NO}_3\text{)}_2\text{(aq)}
ightarrow 2\text{NaNO}_3\text{(aq)} + \text{PbS(s)}$

Step3: Verify balanced equation

Left: Na=2, S=1, Pb=1, N=2, O=6
Right: Na=2, S=1, Pb=1, N=2, O=6

Answer:

$\text{Na}_2\text{S(aq)} + \text{Pb(NO}_3\text{)}_2\text{(aq)}
ightarrow 2\text{NaNO}_3\text{(aq)} + \text{PbS(s)}$