How many How many molecules are there in 265 grams of FeF^3?
a. 1.1 x 1023
b. 1.3 x 1023
c. 1.4 x 1024
d. 2.8 x1024
2. How many molecules are there in 98 grams of FeF^3?
a. 1.4 x 1023
b. 5.2 x 1023
c. 1.4 x 1024
d. 5.2 x 1024
3. How many atoms are there in 6.2 grams of silver?
a. 1.2 x 1022
b. 3.5 x1022
c. 1.2 x1023
d. 3.5 x 1023
4. How many atoms are there in 54.2 grams of Manganese?
a. 5.9 x 1023
b. 1.3 x 1024
c. 5.9 x1024
d. 1.3 x 1025
. How many molecules are there in 250 grams of Cu(NO3)2?
a. 8.0 x 1022
b. 1.4 x 1023
c. 8.0 x 1023
d. 1.4 x 1024
How many grams are in 6.2 × 1024 molecules of water?
a. 16.5 grams
b. 18.5 grams
c. 165.3 grams
d. 185.3 grams
7. How many grams are in 2.3 x 1023 molecules of NO3?
a. 23.7 grams
b. 46. 2 grams
c. 237 grams d.
d. 462 grams
8. How many grams are in 9.7 x 1023 atoms of selenium?
a. 12.7 grams
b. 62.3 grams
c. 127.3 grams
d. 623 grams
9. How many grams are in 3.4 x 1024 atoms of osmium?
a. 52.2 grams
b. 107.4 grams
c. 203.7 grams
d. 410. 1 grams
10. How many grams are in 11 x 1022 molecules of oxygen?
a. 2.9 grams
b. 5.8 grams
c. 0.3 grams
d. 0.6 grams
