Question

What set of coefficients will balance the chemical equation: _NaBr (aq) + _H3PO4 (aq) → _Na3PO4(aq) + _HBr (aq)

A. 3,1,1,3
B. 1,2,3,1
C. 3,1,3,1
D. 1,1,3,3

Answer 1

The Balanced chemical equation for above reaction will be :

`\small{ \mathrm{3NaBr + H_3PO_4 \rightarrow Na_3PO_4 + 3HBr}}`

The Coefficients will be :

• 
  `NaBr - 3`

• 
  `H_3PO_4 - 1`

• 
  `Na_3PO_4 - 1`

• 
  `HBr - 3`

So, Correct option is :

A. 3, 1, 1, 3

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