Answer:
19.
a. 82.98 g/mol
b. 76.139 g/mol
c. 97.94 g/mol
d. 46.07 g/mol
e. 82.07 g/mol
f. 98.079 g/mol
20.
a. 336.24 g/mol
b. 120.366 g/mol
c. 278.1 g/mol
d. 187.56 g/mol
e. 260.5 g/mol
f.
Explanation:
19. Add up each individual atomic mass of each element. You will find this in the bottom of the element's box on the periodic table.
20. Be familiar with transforming names into compounds. After, do the same thing you did in problem 19.
- Hope that helped! Please let me know if you would like a more in-depth explanation.
