what is the molality of dilute aqueous 0.02N H3PO4

Normality, N = 0.02It is known that N=n1×M, N=n1×Number of moles/ Volume of solution(L)For H3PO4, n=3 Therefore, N=3×Number of moles /Volume of solution(L). Number of moles/ Volume of solution(kg)=molality of solution, N3=0.02/3=0.0067 molal.

what is the molality of dilute aqueous 0.02N H3PO4

Normality, N = 0.02It is known that N=n1×M, N=n1×Number of moles/ Volume of solution(L)For H3PO4, n=3 Therefore, N=3×Number of moles /Volume of solution(L). Number of moles/ Volume of solution(kg)=molality of solution, N3=0.02/3=0.0067 molal.

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what is the molality of dilute aqueous 0.02N H₃PO₄

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0.0050

0.0067

0.0200

0.00330

answer is D.

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Detailed Solution

Normality, N = 0.02
It is known that N=n₁×M,
N=n1×Number of moles/ Volume of solution(L)
For H₃PO₄, n=3
Therefore, N=3×Number of moles /Volume of solution(L).
Number of moles/ Volume of solution(kg)=molality of solution
, N₃=0.02/3=0.0067 molal.