Double Jeopardy - From Moles to Measurement

Molar Mass (round to hundredth)

100

What is the molar mass of CCl_4?

153.81 g/mol

200

What is the molar mass of magnesium oxide?

40.31 g/mol

300

What is the molar mass of iron(iii) oxide?

159.70 g/mol

400

What is the molar mass of tungsten hypochlorite?

492.55 g/mol

500

What is the molar mass of ammonium phosphate?

149.12 g/mol

Mass to Moles

100

Convert 27.03 g of water to moles.

1.500 moles

200

Convert 50. g of sulfur dioxide to moles. (The molar mass of sulfur dioxide = 64.06 g/mol)

0.78 mol

300

Convert 45.0 g of O_{2 to moles.}

1.41 mol

400

Convert 205.5 g of copper(ii) bromide to moles.

0.9201 mol

500

Convert 150.0 g of ammonium sulfate to moles.

1.006 mol

Moles to Particles

100

How many bananas are there in a mole of bananas?

6.02 x 10²³

200

Convert 2.00 moles of water to number of molecules.

1.20 x 10^{24 molecules}

300

Convert 2.4 moles of antimony to atoms of antimony.

1.4 x 10^{24 atoms}

400

Convert 5 moles of neon to number of neon atoms.

3 x 10^{24 atoms}

500

Convert 0.1000 moles of glucose to molecules of glucose.

6.02 x 10^{22 molecules}

Scientific Notation

100

Write 5201 in scientific notation. (4 sig figs)

5.201 x 10³

200

Write 900 in scientific notation

9 x 10²

300

Convert 0.0000400 in scientific notation.

4.00 x 10^-5

400

Convert 11 to scientific notation

1.1 x 10¹ or 1.1 x 10

500

Convert 9,000,000.0 to scientific notation

9.0000000 x 10⁶

Sig Figs

100

145

3

200

0.105

3

300

Mr. Sinats weighs out 17.5 g of iron. Mr. Kash weighs out 4.381 g of iron. How much iron (in grams) do they have together?

21.9 g

400

A solid metal box has the following dimensions: 4.0 cm, 5.0 cm, and 3.00 cm. What is the volume of the cube?

60. cm³ or 6.0 x 10¹ cm³

500

A sample of silver has a mass of 50.00 g and a volume of 4.77 cm³. What is the density of silver in units of g/cm³?

10.5 g/cm³