Solutions Question 224

Question: If 0.50 mol of CaCl2 is mixed with 0.20 mol of Na3PO4 , the maximum number of moles of Ca3(PO4)2 which can be formed, is [Pb. PMT 1998]

Options:

A) 0.70

B) 0.50

C) 0.20

D) 0.10

Show Answer

Answer:

Correct Answer: D

Solution:

3,CaCl2+2,Na3PO4Ca3(PO4)2+6NaCl
Mole of Na3PO4=3 mole of CaCl2=1 mole Ca3(PO4)2
0.2 mole of Na3PO4=0.3 mole of CaCl2 = 0.1 mole of Ca3(PO4)2 .



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