I believe it is B... because all balance equation are supposed to follow the law of conservation of mass
Answer: this seems like YOU need to answer on ur own.
Explanation:
Volume of water plus sample minus volume of water in graduated cylinder
A 1 molar solution is the molecular weight in grams in 1 litre of water, so a 3.5 molar solution would be 58.44g multiplied by 3.5, which is 204.54g in 1L