What volume of a 0.176 M Na2S solution contains 1.01 g of Na+ ions?

Question

Please show work, I appreciate your help

Answer 1

1.01 g Na/molar mass Na = moles Na^+.
moles Na2S = 1/2 moles Na^+.
M Na2S = moles/L.
Solve for L.

Answer 2

.250L