10. A Grade 7 leamer added 35 ml ethyl alcohol to 65 ml water making a 100 ml alcohol solution. How many mL ethyl alcohol is needed in 100 mL of alcohol solution?
A. 70 ml ethyl alcohol
B. 80 ml ethyl alcohol
C. 90 mL ethyl alcohol
D. 100 mL ethyl alcohol
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Explanation:
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