# SOLUTION: A chemistry student mixes together 12mL of a 10% chlorine solution, 5 mL of 80% chlorine solution and 20mL of a 45% solution. About what percent chlorine is the final solution?

Algebra ->  Algebra  -> Percentage-and-ratio-word-problems -> SOLUTION: A chemistry student mixes together 12mL of a 10% chlorine solution, 5 mL of 80% chlorine solution and 20mL of a 45% solution. About what percent chlorine is the final solution?      Log On

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 Click here to see ALL problems on Percentage-and-ratio-word-problems Question 313236: A chemistry student mixes together 12mL of a 10% chlorine solution, 5 mL of 80% chlorine solution and 20mL of a 45% solution. About what percent chlorine is the final solution?Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website!12mL of a 10% , 5 mL of 80% 20mL of a 45% .. total quantity of mixture = 37 ml of x% .. concentration equation 0.1*12 +0.8*5+0.45*20 = 0.08x*37 1.2+4+9= 2.96x 14.2= 2.96x x= 14.2/2.96 x= 4.8 % = 38