Calculate the percent by mass 28 g solute and 45g solvent

solution

Explanation:

= 28+45 = 73

73 g of solution contains 28 g of solute

1 g of solution cointains 28/73 g of solute

so 100 g of solution LL cointains (28*100)/73

= 38.35 w/w

mass percentage =mass of solute/mass of solution*100

=28/73*100

=0.38356*100

=38.356

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answer:

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