1. What volume of alcohol is required to prepare 250ml of a 10% by volume solution?
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1. What volume of alcohol is required to prepare 250ml of a 10% by volume solution?
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Answer:
Step-by-step explanation:
Let the volume of alcohol taken = x mL.
Volume percent = Volume of alcohol/ volume of solution* 100.
Or 60= x/ 250 * 100 or X (i.e. volume of ethanol mixed).
= 60*250/100
= 150 mL.
Ꭲᕼᗴᖇᗴᖴᝪᖇᗴ ᐯᝪᏞᑌᗰᗴ ᝪᖴ ᗯᗩᎢᗴᖇ ᗰᏆ᙭ᗴᗞ = 250- 150 = 100ᗰᏞ