We’re being asked to balance the given equations.
Recall that when balancing chemical equations, we have to make sure that the number of elements on both sides is equal with the lowest whole number coefficients.
____ H3PO4 + ____ NaOH → _____ Na3PO4 + ____ H2O
15. ___ H3PO4 + ____ NaOH → _____ Na3PO4 + ____ H2O
16. ___ Pb(NO3)2 + ___ KI → ___ PbI2 + ___ KNO3
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Balancing Chemical Equations concept. You can view video lessons to learn Balancing Chemical Equations. Or if you need more Balancing Chemical Equations practice, you can also practice Balancing Chemical Equations practice problems.