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Bp of water at 750 mmhg …

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Bp of water at 750 mmhg is 99.63°c how much sucrose be added to 500 g of h2o such that it boils at 100 °c

Posted by Muskan Dagar 6 years, 3 months ago

CBSE > Class 12 > Chemistry

1 answers

Řøhăň Řąjpůť ✌️✊ 6 years, 3 months ago

ΔTb= (100 + 273) - (99.63 + 273) = 0.37 K >>w1 = 500 g >>Molar mass of sucrose (C12H22O11), M2= 11 × 12 + 22 × 1 + 11 × 16 = 342 g mol^ - 1 >> Kb= 0.52 K kg mol ^- 1 put all these value in the formula ➡️ΔTb=kb*1000*w2/M2*W1 by solving this u will get ur answer 121.67 g of sucrose

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