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Calculate the mass of a non …

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Calculate the mass of a non volatile solute (molar mass 40g/mol )which should be dissolved in 114g octane to reduce its vapour pressure to 80%. Iska answer 8g aa rha hai par marking scheme me 10g likh rakha hai. Sample paper 2016 17 question 17

Posted by Pankaj Sihag 6 years, 9 months ago

CBSE > Class 12 > Chemistry

2 answers

Go Pi 6 years, 9 months ago

[P° - (80/100)p°]/P° = [w2/M2] / {[w1/M1] + [w2/M2]} Final eyations comes as 4w2=40 W2 is 10

0Thank You

Go Pi 6 years, 9 months ago

10g I the right answer I worked out

0Thank You

ANSWER

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