Answer:
34.375 grams of solute are present in 275ml of a 12.5%(m/v) solution of methanol.
Explanation:
12.5% methanol solution which means
100ml solution contain 12.5 grams methanol
1 ml solution contain 12.5/100 grams methanol
275 ml solution contain 12.5/100*275
= 34.375 grams of methanol .