2g of a non electrolyte solute dissolved in 75g of benzene lowered the freezing point of benzene by 0.20 k. The freezing point depression constant of benzene is 5.12 K Kg mol ^(-1). Find the molar mass of the solute.

2g of a non electrolyte solute dissolved in 75g of benzene lowered the

1.	2g of a non electrolyte solute dissolved in 75g of benzene lowered the freezing point of benzene by 0.20 k. The freezing point depression constant of benzene is 5.12 K Kg mol ^(-1). Find the molar mass of the solute.
Answer» <html><body><p></p>Solution :`W_(2) =2g, W_(1) =<a href="https://interviewquestions.tuteehub.com/tag/75g-335510" style="font-weight:bold;" target="_blank" title="Click to know more about 75G">75G</a>, Delta T _(f)=0.2 <a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a>, k _(f) =5.12 kg mol ^(-1) , M _(2)` = ? <br/> `M _(2) = (K _(f) <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> W _(2) xx 1000)/( Delta T_(f) xx W_(1)) = (5.12 xx 2 xx 1000)/( 0.2 xx <a href="https://interviewquestions.tuteehub.com/tag/75-334971" style="font-weight:bold;" target="_blank" title="Click to know more about 75">75</a>) = 682.66 g mol ^(-1)`</body></html>