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moles
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100

How many atoms in 1 mole?

6.02 x 10^23 atoms

100

How many grams are in 8 mol of aluminum?

216g Al

100
How many moles in 2.65 g Fe?
0.0474 mol Fe
100

How is the mass in grams of the element converted to amount in moles?

Use the molar mass

200
How many moles in 3.011 x 10 ^23 atoms Mg?
0.5000 mol Mg
200

How many moles are in 6.022x1023atoms of U?

1 mol U

200
How many grams in 6.50 moles Cu
413 g Cu
200

How many grams in 6.02 x 10^23 atoms of C

12g

300

How many grams in 10.5 x 10^23 atoms Mg?

40.3 g Mg

300

How many atoms are in C6H12O6?

24

300
How many moles are in 0.535 g Zn?
0.00818 mol Zn
300

What is the molar mass of Xe?

131.3 g/mol

400
How many atoms in 0.250 mol S?
1.51 x 10^23 atoms S
400

Convert 8.045 g of H2CO3 to moles

0.1297 mol

400
How many grams in 4.50 x 10^12 atoms Cl?
2.65 x 10^-10 g Cl
400

You have a volume of 15cm3 and a mass of 45g. What is its density?

3.0g/cm3

500
How many atoms in 0.02550 g Pt?
7.872 x 10^19 atoms Pt
500

How many molecules are in 720 g of C6H12O6

2.406x1024 molecules of of C6H12O6

500

How many grams in 84.2 atoms Br?

1.1 x10^-20 g Br

500

Find the molar mass of Fe(ClO4)3

354.197g/mol

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