Question

A.How many atoms are in each of the following samples



a.44.2g Mg

b.0.582kg SIO2

B.Calculate the mass in grams of each of the following samples.



a.6.02x1021 formula unit ZN12

b.8.35x21 molecules CH4



A. CALCULATE THE PERCENT COMPOSITION OF THE FOLLOWING COMPOUNDS

Answer 1

A) a. $11.09×10 ^{23}$ Atoms

b. $5.841×10 ^{24}$ Atoms

B) a. $3.192g$

b. $0.22g$