Question

If 100.0 mL of a 0.500 M NaOH(aq) solution is required to completely neutralize 125.0 mL of H3PO4(aq) according to the balanced equation below, then what was the molarity of the H3PO4(aq)?
H3PO4(aq) + 3 NaOH(aq) à 3 H2O(l) + Na3PO4(aq)

Answer 1

@sweetburger

Answer 2

the answer is 0.133 M (or mol/L) but idk how you get that

Answer 3

@khalilforthewin

Answer 4

This is stoichemetry :)

Answer 5

Hope this helped :)

Answer 6

Thanks :)

Answer 7

No problem :)