3. Calculate each of the following: a) kg of 4.6x1021 molecules of nitrogen dioxide
b) moles of chlorine atoms in 0.615 g of C2H4Cl2
c) number of hydride ions in 5.82 g of strontium hydride

the answers are at the very bottom of each picture

Explanation:

i really hope this helps you:)

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.