Mole Conversions

Atoms

100

How many grams in 60.2 x 10^23 atoms C?

12.01 g C

200

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

0.5000 mol Mg

300

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

6.05 g Mg

400

How many atoms in 0.250 mol S?

1.51 x 10^23 atoms S

500

How many atoms in 0.02550 g Pt?

7.872 x 10^19 atoms Pt

Moles

100

What is the mass (g) of 1.00 mol Li?

6.94 g Li

200

How many atoms in 6.755 mol Pb?

4.068 x 10^23 atoms Pb

300

How many moles in 0.00750 g Ag? (in scientific notation)

6.95 x 10^-5 mol Ag

400

How many mores in 2.25 x 10^25 atoms Zn?

37.4 mol Zn

500

How many moles in 150 g S?

4.7 mol S

Grams

100

How many moles in 2.65 g Fe?

0.0474 mol Fe

200

How many grams in 6.50 moles Cu

413 g Cu

300

How many moles are in 0.535 g Zn?

0.00818 mol Zn

400

How many grams in 4.50 x 10^12 atoms Cl?

2.65 x 10^-10 g Cl

500

How many grams in 8.42 x 10 atoms Br?

0.00112 g Br

Random 1

100

What is Avogadro's Number?

6.02 x 10^23

200

Find the molarity if 24g of HCl are dissolved in 200mL of water.

3.29M HCl

300

How many moles of HCL are in 2 liters of 4M HCl?

8 mol HCl

400

What is the molar mass of Xenon?

131.3 g/mol

500

How many molecules of NaOH are present in 25 mL of 2.5 M NaOH solution?

3.8x10^22 or 0.38x10^24 molecules

Random 2

100

What units are represented by Molarity?

Mole/1 L or mol/L

200

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

Divide by the molar mass

300

What Mass of sodium hydroxide must be dissolved in 500mL of water to create a 0.5M solution?

9.99g NaOH

400

Find the molar mass of Zn₃(PO₄)₂ * 2H₂O

323 g/mol

500

How many atoms are in a 2.0kg ingot of gold?

6.11x10²⁴ or 60.1 x 10²³ atoms