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2015-02-26T15:50:41+05:30

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If it is 5%(w/v) then you should add 100 ml of water to 5g of the salt.
If it is 5%(w/w) then you should add 100g of water to 5g of the salt.

w/v - weight in volume
w/w - weight in weight
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2015-02-27T04:45:03+05:30
We generally use 5% of salt to prepare 5% of the solution . If 5g of salt is used then it is 5% of 100. So 100g of water should be mixed with 5g of salt.
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