A solution for cleaning grease stains for cloths or leather consists of the following components: CCl4 (80% by volume), ligroin (16%), and amyl alcohol (4%). How many mL of each should to taken to make up 80 mL of solution?
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a
64 ml CCl4
b
12.8 ml ligroin
c
32 ml of amyl alcohol
d
3.2 ml of amyl alcohol
answer is A.
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Detailed Solution
1. Volume of CCl4=80×80100=64 mL 2. Volume of ligroin = 80×16100=12.8 mL 3. Wrong 4. Volume of amyl alcohol = 80×4100=3.2 mL