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Molarity of aqueous glucose (C(6)H(12)O)...

Molarity of aqueous glucose `(C_(6)H_(12)O)^(6)` will be, if mole fraction of glucose is 0.4.

A

10M

B

3.7M

C

0.4M

D

2M

Text Solution

Verified by Experts

`n_("glucose")=0.4rArrw_("glucose")=0.4xx180=72(M wt. C_(6)H_(12)O_(6)=180)`
`n_(H_(2)O)=0.6rArrW_(H_(w)O)=0.6xx18=18.8`
`W_("solution")=72+10.8=82.8gm`
`d_("solution")=(82.8)/(V_("solution"))=2.07 gm//mlrArrV_("solution")=(82.8)/(2.07)=40ml`
Molarity `rArrM=(0.4)/(40)xx1000=10M`
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