Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 950 mg of Na present?
A) 2.44
B) 0.371
C) 2,430
D) 37.1
E) none of the above
Answer: A
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 950 mg of Na present?
A) 2.44
B) 0.371
C) 2,430
D) 37.1
E) none of the above