Moles, Moles, Moles

Percent Comp.

100

What is the percent composition of O in O₂?

100%

200

What is the % composition of H in H₂O?

11%

300

What is the percent composition of Cl in ClO₃^-?

43% 

400

If an 8 gram piece of chewing gum is said to be 60% sugar, what is the mass of the sugar in the gum?

4.8 g

500

If a 2.516 gram penny is said to be 3.0% copper, what is the mass of the copper in the penny?

0.075 g

Molar Mass

100

C

What is 12.01 g/mol

200

H₂O

What is 18.01 g/mol

300

ClO₃

What is 83.45 g/mol

400

H₂CO₃

What is 62.03 g/m

500

NH₃

What is 17.03 g/mol

moles to grams

100

Number grams of carbon in 10 moles

What is 120.1 g

200

Number of grams in 88.1 moles of magnesium

What is 2141.27 grams

300

Number of grams in 2 moles of oxygen

What is 32.00 g

400

Number of grams in 4.5 moles of NaF

What is 188.96 g

500

When converting from moles to grams you _______ by the molar mass

What is mutiply

Random

100

What is more: 2 moles of sugar or 1 mole of buildings

What is 2 moles of sugar

200

What is more: 1 mole of salt or 1 mole of bricks

What is the same amount

300

To find how many particles are in two moles of salt multiply 2 by ________.

What is 6.02 x 10²³

400

Equal to atomic mass

What is molar mass (g/mol)

500

Number of moles in 89.6 g of neon

What is 4.44 moles

grams to moles

100

Number moles in 120 grams of carbon

What is 9.99 moles

200

Number of moles in 216 g of Al

What is 8.00 grams

300

Number of moles 200 g of Ar

What is 5.01 moles

400

number of moles in 72 g of H₂O

What 4 moles

500

Number of moles in 175.35g of salt

What is 3 moles