Question

a solution of ethanol in water is 1.54 molal.How many grams of its are their in 2500g of solvent

Answer 1

Answer: 1.54 molal solution per kg so,

1.54 molal                  ---->          1000g

1.54/1000                  ----->          1g

1.54/1000*2500       ------>         2500g

3.6 molal                   ----->          2500g

Answer is 3.6 molal

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