100mLofH2SO4 solution having molarity 1M and density 1.5g/mL is mixed with 400mL water. Calculate final molarity of H2SO4 solution, if final density is 1.25g/mL:
A
4.4M
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B
0.145M
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C
0.52M
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D
0.227M
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Solution
The correct option is D0.227M Total moles ofH2SO4=0.1mole Total volume=150+4001.25=5501.25=440 ∴M=0.1440×1000=14.4=0.227M