Chem II Final

#1

H2O Molecules

H atoms

O atoms

Molar mass of (NH4)2SO4m

#4.

#5.

#6. Calculate the percent of carbon to the nearest 1% (no decimals)

#6. Calculate the percent of hydrogen to the nearest 1% (no decimals)

#6. Calculate the percent of oxygen to the nearest 1% (no decimals)

In grams, what amount of 150g glucose is oxygen?

8. a. just enter the coefficients like this: 1,2,3,4 etc.

8. b same as above

8. c. same as above

8. d.

9. a

9. a

9. a

9. a

Use stoichiometry gram to gram. Work 1 pt, answer 1 pt.

Use stoichiometry gram to gram. Work 1 pt, answer 1 pt

12 a.

12 b.

#12 c

#12 d

#13 a

#13 b

#13 c

#13 d

First example

Second example

Third example

#15 Work 1 pt answer 1 pt

#16 work 1 pt, answer 1 pt

#17

#18 a

#18 b

#18 c

#18 d

#19 a.List the new products, include coefficients from balancing and use (s) to indicate the precipitate.

#19 b. List the new products, include coefficients from balancing and use (s) to indicate the precipitate.

#24