Molar Mass	moles to grams	grams to moles	grams to atoms	definitions
5	5	5	5	5
10	10	10	10	10
15	15	15	15	15
20	20	20	20	20
25	25	25	25	25
Final Question

33.01 g/mol

Fe2O3

159.7 g/mol

AgNO3

169.88 g/mol

Ca(ClO4)2

238.98 g/mol

Pb(Cr207)2

191.2 g/mol

.117 moles of Ar

4.67 g

1.44 x 10^-4 moles of He

5.76 x 10^-4

38.2 g sodium chloride

.654 mol

36.5 g nitrogen monoxide

1.22 mol

4.25 kg carbon dioxide

96.6 mol

1.34 g Zn

2.05 x 10^-2 mol

24.9 g Ar

.623 mol

72.5 g Ta

.401 mol

.0223 g Li

3.21 x 10^-3 mol

How many moles of tin atoms are in a pure tin cup with a mass of 38.1 g?

.321 mol

how many aluminum atoms are in 3.78 g of aluminum?

8.44 x 10^22

16.9 g Sr to atoms

1.16 x 10^23

26.1 g Fe to atoms

2.81 x 10^23

8.55 g Bi to atoms

2.46 x 10^22

How many carbon atoms are in a diamond (pure carbon) with a mass of 38 mg?

1.9 x 10^21

Avagadro's number

6.022 x 10^23

molar mass

The mass of 1 mol of atoms of an element.

atom

The smallest identifiable unit of an element.

formula mass

the average mass of the molecules that compose a compound.

formula unit

the basic unit of ionic compounds; the smallest electrically neutral collection of cations and anions that compose the compound.

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