Laboratory 37011

How much distilled water does a laboratory assistant have to add to 500 ml of 30 percent hydrogen peroxide to prepare a 3% gargle?

Correct answer:

x =  4500 ml

Step-by-step explanation:

V1=500 ml p1=30%=10030=103=0.3 p=3%=1003=0.03  V1 p1=(V1+x) p 500 0.3=(500+x) 0.03  0.03x=135  x=0.03135=4500  x=4500=4500 ml



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