MOLES

molar mass

100

what is a molar mass?

What is how much one mole of a substance weighs in gram.

200

This is the molar mass for H₂S_(g)

What is 34 g/mol ?

300

This is the molar mass for molecular nitrogen, N_2(g)

What is 28 g/mol?

400

This is the molar mass for aluminum oxalate, Al₂(C₂O₄)_3(s)

What is 318 g/mol?

500

This is the molar mass for CuSO₄5H₂O ?

What is 250 g/mol ?

Mole-Gram & Gram-Mole

100

This is the number of grams in 0.35 moles of Ar_(g)

What is 14 grams?

200

This is the number of moles in 150 grams of KF_(s)

What is 2.59 moles?

300

This is the number of grams in 0.25 moles of calcium chloride

What is 19.5 grams?

400

This is the number of moles in 7.5 grams of Ca(OH)_2(s)

What is 0.10 moles?

500

This is the number of grams in 1.75 moles of CO₂(g)

What is 77 grams?

mole-atoms/particles/molecules

100

This is the number of moles for

1.807*10^24

 atoms of Fe(s)

What is 3 moles?

200

How many Au atoms are there in 2.3 mole of Au atoms?

What is    

1.39 * 10^24

atoms

300

This is the number of moles of C for 

1.26*10^23

atoms of C 

What is 0.21 moles?

400

This is the number of atoms of O for 2 mole of CO₂

What is

1.204 * 10^24

atoms of C?

500

when you have 0.05 moles of CH₄. How many atoms of H do you have?

What is 

3.011*10^22

atoms of H?

Mole

100

What is Avogadro's #

6.02 x 10²³

200

What does Avogadro's number tell us 

the # of particles (atoms, molecules, formula units)

300

How many atoms are in 1 mole of silver?

6.02 x 10²³ atoms of Silver

400

What is the unit of mole measure?

What is an amount of substance

500

A particle of silicon dioxide is?

What is a molecule?

conversion factors and others

100

what conversion factor do you use when you are converting mole to # of atoms?

(6.022 * 10^23)/(1 mol)

200

what conversion factor do you need to use if you are going from converting grams of carbon to # of moles of carbon?

(1mol)/(12.01 grams)

300

what conversion factor do you use when you what to convert # of molecules to # of moles?

what is 

(1 mol)/(6.02xx10^23)

400

what is the unit for molar mass?

g/mole

500

What conversion factor is used to determine number of moles if 10g of HBr was used?

1 mole = molar mass of substance (g)