Question

The density of a 3M sodium thiosulphate
2 2 3 (Na S O )

solution is 1.25 g/mL. Calculate the
per cent by weight of sodium thiosulphate.

Answer 1

Answer:

Weight %=

1560

474

=30.38

Explanation:

Mole fraction = Moles of substance/Total moles

apply this formula

put the values

Answer 2

Answer:

weight% 1560

474

Explanation:

mole fraction mole of substance /total moles

apply this formula

put values

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