1.

How much methanol should be added to water, to make 150 mL. 2 M solution of CH_(3)OH ?

Answer»

9.6 gram
2.4 gram
`9.6xx10^(3)` gram
`4.3xx10^(2)` gram

Solution :1000 mL 1 M `CH_(3)OH=32` gram
`therefore 150 mL 2M CH_(3)OH= ?`
`= (32xx150xx2)/(1000)=9.6` gram.


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