A chemistry problem by A Former Brilliant Member

Chemistry Level 2

Find the normailty of 1 molar C a X 3 ( P O X 4 ) X 2 \ce{Ca_{3}(PO_{4})_{2}} .

5 3 1 6 9 11 7 2

A Former Brilliant Member by A Former Brilliant Member

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2 solutions

Yatin Khanna
Feb 19, 2017

Normality is given as x x ×Molarity where x x represents the valence factor or n-factor.
In an ionic compound the valence factor is given by the magnitude of total charge on anion or cation (which are same since it is a compound) which, in this case is 6; since there are 3 Ca atoms with+2 charge each. So, Normality = 6*Molarity = 6 \boxed {6}

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i thought the answer as 5but given answer is 6 can someone explain ?:)

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I have posted a solution but can you tell me why did you think it to be 5?

Yatin Khanna - 4 years, 3 months ago

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oh, i mixed it with van't hoff factor :P

A Former Brilliant Member - 4 years, 3 months ago

Lol !! the correct spelling is " Normality " not normailty :) :)

sanyam goel - 4 years, 3 months ago

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i was in hurry :F

A Former Brilliant Member - 4 years, 3 months ago

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