Can anyone can help me with 19 and 20 with process

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.

what's the

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )