Calculate the mass percent of Calcium Chloride

5.00g of CaCl2 in 95.0 g of water

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Which substance has non polar covalent bonds