How many moles are equal to 1.2 x 10^21 molecules of lithium?

a) 7.2 x 10^44 moles

b) .2.0 moles

c) 7.2 x 10^24 moles

d) 2.0 x 10^-3 moles

Given the table below, what is the chemical formula for a compound between rb and the nitrate ion no3 -1? nitrate ion no3 -1 phosphate po4 -3 sulfate so4 -2 acetate c2h3o2 -1 ammonium nh4 +1 chromate cro4 -2 carbonate co3 -2 dichromate cr2o7 -2 permanganate mno4 -1 sulfite so3 -2 rbno3 rb2no3 rb(no3)2 rb2(no3)3

Why does a cake rise when you bake it? ♡

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)