A 0.234 g sample of an ore is analyzed for Iron and found to contain 0.720 mg Fe203. How many Fe*3 parts per million (ppm) exist in this ore. (Round your decimals to closest integer)

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.