Question

20g of salt was dissolved in water and the solution was found to weight 120g. Calculate the mass by mass% of the solution ​

Answer 1

Answer:

Explanation:

Mass of solute = 20 g

Volume of solution = 500 ml

Mass by volume percentage =  

Volume of solution

Mass of solute×100

​  

 

                                                =  

500

20×100

​  

=4%

Answer 2

Q. 20g of salt was dissolved in water and the solution was found to weight 120g. Calculate the mass by mass% of the solution ​

Answer: Mass of solute = 20g

              Mass of solution = 120g

              Mass by mass % of the solution = $\frac{Mass of solute }{Mass of solvent }* 100$

                                                                      =$\frac{20g}{120g}*100$

                                                                       = $\frac{1}{6}*100$

                                                                       = $\frac{100}{6}$ = 16.67%

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