Answer to Question #210610 in Biochemistry for ARCHIE MEDINA

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)- 44.2g Mg - 6.54×10²³ atom.

A(B)- 0.582Kg sio_{2 -} 173.76×10²³ atom.

B.(a) -. 6.02×10²¹ formula unit ZnI_{2 -} 3.19 g.

B(b) - 8.35×10²¹ molecule CH_{4 -} 0.223 g.