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density of methanol- 0.793kg/L what is its volume needed for making 2.5 L of its 0.25M solution? KINDLY, EXPLAIN HOW TO SOLVE THIS.

density of methanol- 0.793kg/L


what is its volume needed for making 2.5 L of its 0.25M solution?


KINDLY, EXPLAIN HOW TO SOLVE THIS.

Grade:

1 Answers

chirag gupta
18 Points
10 years ago

First find the total number of moles 

by using

MOLARITY*NFACTOR*VOLUME IS TOTAL NUMBER OF MOLES OF CH3OH.

now nfactor is 1

       get the value of numer of moles.

find the mass of tis number of moles 

ie.mass is equal to moles*32

now 1L of CH3OH is 0.793 g

therefore for x grams of methanol

  volume required is

v=(x/0.793)litres.

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