Question #120443
How much of other chemicals must be evaporated from 400 grams of a hand sanitizer that is 24% alcohol to strengthen it to a hand sanitizer that is 30% alcohol? Correct your answer to the nearest whole number.
Answer: grams
Answer: grams
Expert's answer
400*0.24=96 - grams of alcohol
for 30%:
0.3(400-x)=96
400-x=320
x=80 grams
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#340153 on Dec 2023
#340153 on Dec 2023
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