Situation 1: one way to prevent the pandemic covid-19 is to wash our hands with soap and applying alcohol as a disinfectant. The active ingredient in alcohol is Ethanol as you read the label of the alcohol, it is 70% Ethyl alcohol in a 250ML bottle. With your curious mind, you want to know many ML of Ethyl Alcohol.
GIVEN:
Volume% = 70% Ethyl Alc of A
Total: 250 ML volume
UNKNOWN: Volume of given point A
Equation: Volume% of A/1 X Volume of Comp. A/ Total Volume
Share
Answer:
Explanation: