contestada

Solutions of 0.20 M NiCl₂, and 0.20 M Na₃PO₄, are mixed to produce solid Ni₃(PO₄)₂. Which of the combinations below is the correct stoichiometric combination?
0.20 M NiCl₂ 0.20 M Na₃PO₄
a. 25 mL 25 mL
b. 35 mL 70. mL
c 36 mL 24 mL
d. 30 mL 45 mL