# Problem: Step 1: Write each formula and balance each formula using SUBSCRIPTS. Step 2: Balance the overall equation using coefficients. 1. phosphorus + oxygen → diphosphorus pentoxide P2+ O5 → P2O52. hydrochloric acid + sodium hydroxide → sodium chloride+ water HCl + NaOH → NaCl + H2O3. barium chloride + sulfuric acid → barium sulfate + hydrochloric acid BaCl2 + H2SO4 → BaSO4 + HCl

###### FREE Expert Solution

We are already given the equation for the reaction. So, let’s balance them.

Recall that when balancing chemical equations, we have to make sure that the number of elements on both sides is equal to the lowest whole number coefficients.

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###### Problem Details
Step 1: Write each formula and balance each formula using SUBSCRIPTS.
Step 2: Balance the overall equation using coefficients.

1. phosphorus + oxygen → diphosphorus pentoxide P2+ O5 → P2O5
2. hydrochloric acid + sodium hydroxide → sodium chloride+ water HCl + NaOH → NaCl + H2O
3. barium chloride + sulfuric acid → barium sulfate + hydrochloric acid BaCl2 + H2SO4 → BaSO+ HCl