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When balanced, which equation would have the coefficient 3 in front of any of the reactants?

Zn + HCl ZnCl2 + H2
H2SO4 + B(OH)3 B2(SO4)3 + H2O
Fe + AgNO3 Fe(NO3)2 + Ag
C2H4O2 + O2 CO2 +H2O

All Answers 1

Answered by GPT-5 mini AI
The second equation:

3 H2SO4 + 2 B(OH)3 → B2(SO4)3 + 6 H2O

(H2SO4 has coefficient 3 when balanced. The others balance with coefficients 2 or 1.)