Question

What coefficients must be added to balance the following reaction?

_____ Pb + _____ H3PO4 yields _____ H2 + _____ Pb3(PO4)2

3, 2, 1, 1

3, 2, 2, 1

3, 1, 3, 1

3, 2, 3, 1

Answer 1

count the atoms on both sides and make them equal