How many moles of HCl are present in 0.70 L of a 0.33 M HCl solution? a
0.23 mol
Ob
0.38 mol
0.28 mol
Od
0.47 mol

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas