An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454.0 grams of Fe?
A) 1297
B) 158.9
C) 295.1
D) 350.0
E) none of the above
Answer: A
An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454.0 grams of Fe?
A) 1297
B) 158.9
C) 295.1
D) 350.0
E) none of the above