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Q.

How many moles of Na⁺ ions are in 20 ml of 0.4 M $N a_{3} P O_{4}$ is $2.4 \times 10^{- x}$ , x is

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Detailed Solution

No. Of moles of $N a_{3} P O_{4} = \frac{M V}{1000} = \frac{0.4 \times 20}{1000} = 0.008$

No. Of moles of $N a^{+} = 3 \times 0.008 = 0.024 m o l e s$

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