4Fe +302 + 2Fe2O3
How many grams of Fe2O3 will be produced from 10.0 g of Fe and 7.00 g of O2?

What is the percentage of hydrogen in nitrogen trihydride

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

How many atoms are in 2 moles of phosphorus?