Q.
How many moles of Na+ions are in 200 ml of 0.4M Na3PO4?
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a
0.05
b
0.5
c
0.008
d
0.24
answer is D.
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Detailed Solution
no. of moles Na3PO4=MV1000 =0.4×2001000 =0.08 no. of moles of Na+=3×0.08 =0.24
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