Which set of coefficients would balance the following chemical equation?

H3PO4 + RbOH → H2O + Rb3PO4
Question 3 options:


2H3PO4 + RbOH → 3H2O + Rb3PO4


H3PO4 + RbOH → H2O + Rb3PO4


H3PO4 + RbOH → 2H2O + Rb3PO4


H3PO4 + 3RbOH → 3H2O + Rb3PO4