The Mole & Mole Conversions Worksheet

How many grams of argon, Ar, are present in 25.0 L of argon@STP?

• 44.6 g Ar

• 11.2 g Ar

• 22.4 g Ar

• 56.0 g Ar

• 99.1 g N

• 59.8 g N

• 150.2 g N

• 10.5 g N

Tags

NGSS.HS-PS1-7

• 60.3 g Pb

• 34.2 g Pb

• 12.5 g Pb

• 120.6 g Pb

Tags

NGSS.HS-PS1-7

• 22.6 g CH4

• 12.5 g CH4

• 34.0 g CH4

• 5.0 g CH4

Tags

NGSS.HS-PS1-7

Calculate the number of atoms. a. 25.75 g Hg = __________ atoms Hg

• 7.72 x 10^22 atoms Hg

• 1.55 x 10^23 atoms Hg

• 3.01 x 10^21 atoms Hg

• 6.02 x 10^24 atoms Hg

Tags

NGSS.HS-PS1-7

Calculate the number of atoms. b. 0.0740 g Mg = __________ atoms Mg

• 1.83 x 10^21 atoms Mg

• 4.52 x 10^22 atoms Mg

• 6.02 x 10^23 atoms Mg

• 2.45 x 10^20 atoms Mg

Tags

NGSS.HS-PS1-7

Calculate the number of atoms. c. 160 g Br = __________ atoms Br

• 1.21 x 10^24 atoms Br

• 2.41 x 10^23 atoms Br

• 3.01 x 10^25 atoms Br

Convert 4.850 L CCl4 @ STP to mass in grams.

• 30.6 g CCl4

• 12.5 g CCl4

• 50.0 g CCl4

• 100.2 g CCl4

• 175.5 L Kr

• 22.4 L Kr

• 350.0 L Kr

• 100.0 L Kr

Convert each of the following to liters (L) @ STP. b. 15.6 g He = __________ L He

• 87.6 L He

• 22.4 L He

• 44.8 L He

• 15.6 L He