Try to make this day worse...you cant...ki ll me and my day would get better

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

How many atoms are there in 5.70 mol of mg

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: