An iron ore was found to contain 92.0% pyrite (fool's gold). Pyrite has the formula FeS2and is 46.5% iron. How many grams of iron are there in 68.8 grams of iron ore?

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms

What is the most common form of matter in the universe