Calculate the concentration of each of the following solutions in mass percent
Here's the problem:
Calculate the concentration of each of the following solutions in mass percent.
a). 13.5g C2H6O in 67.4g H2O
b). 104g KCl in 574g H2O
c) 38.8mg KNO3 in 2.58g H2O
now I now mass %= mass sloute/mass solution X 100%
so first I added both g of each substance...then divided the solute by the total gram-age then X100 but didn't get the right answers....
any ideas? thanks!!!
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