50. Corona virus can be killed by using a 70% concentrated alcohol solution. If the volume of solution of a brand of alcohol is 700mL. What is the volume of pure alcohol in the container?
A. 490 mL
B. 700ml
C.10 mL
D.350mL
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50. Corona virus can be killed by using a 70% concentrated alcohol solution. If the volume of solution of a brand of alcohol is 700mL. What is the volume of pure alcohol in the container?
A. 490 mL
B. 700ml
C.10 mL
D.350mL
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Answer:
Explanation:
350 ml