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Mole Races I

Authored by Cody Moore-prosise

Chemistry

11th Grade

NGSS covered

Used 6+ times

Mole Races I
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

0.450 g of Fe contains how many atoms?

4.85 x 10214.85\ x\ 10^{21}

6.02 x 10236.02\ x\ 10^{23}

0.450 x 10230.450\ x\ 10^{23}

450000450000

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

0.200 g of H2O contains how many molecules?

6.62×10226.62\times10^{22}

6.64×10226.64\times10^{22}

6.66×10226.66\times10^{22}

6.68×10226.68\times10^{22}

6.70×10226.70\times10^{22}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many molecules of water are in 1.058 moles of H2O?

6.02×10236.02\times10^{23}

6.37×10236.37\times10^{23}

6.73×10236.73\times10^{23}

7.02×10237.02\times10^{23}

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms are in 0.750 mole of Fe?

4.52×10234.52\times10^{23}

4.77×10234.77\times10^{23}

4.83×10234.83\times10^{23}

4.99×10234.99\times10^{23}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many molecules of H2O are present in 1.058 g of water?

3.51×10223.51\times10^{22}

3.53×10223.53\times10^{22}

3.55×10223.55\times10^{22}

3.57×10223.57\times10^{22}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many atoms are in 0.750 g of Fe?

6.06×10216.06\times10^{21}

8.08×10218.08\times10^{21}

10.10×102110.10\times10^{21}

1.21×10221.21\times10^{22}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which contains more molecules: 10.0g of O2 or 50.0g of I2?

10.0g of O2O_2

50.0g of I2I_2

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