If 0.5 moles of BaCl2 is mixed with 0.2 moles of Na3PO4, the maximum number of moles of Ba3(PO4)2 that can be obtained is :
A
0.7
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B
0.5
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C
0.3
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D
0.1
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Solution
The correct option is D0.1 3BaCl2+2Na3PO4→Ba3(PO4)2+6NaCl 3 moles of BaCl2 will react with 2 moles of Na3PO4 to form 1 mole of Ba3(PO4)2. 0.3 moles of BaCl2 will react with 0.2 moles of Na3PO4 to form 0.1 mole of Ba3(PO4)2.