Mole Conversions

How many atoms of carbon are in 6.00 g of carbon?

• 1.20x10²⁴atoms C
• 6.02x10²³atoms C
• 3.01x10²³atoms C
• 1.50x10²³atoms C

Tags

NGSS.HS-PS1-7

How many moles are in 3.01 x 10²³ atoms of magnesium?

• 0.500 moles

• 1.81 x 10⁴⁶ moles

• 0.630 moles

• 0.05 moles

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

48.86 g of cobalt is equal to how many moles of cobalt?

• 2879 moles

• 8.291 moles

• 0.8291 moles

• 0.829 moles

What is the mass of one mole of silver?

• 32.06 g

• 107.87 g

• 14.01 g

• 22.99 g

What is the mass of 4.98 x 10²⁴ atoms of Zn?

• 541 g

• 8.27 g

• 0.122 g

• 4.59 x 10⁴⁶ g

Tags

NGSS.HS-PS1-7

Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?

• A
• B
• C
• D

How many moles are in 19.82 g Mg? 

• 1.226 mol Mg

• 481.7 mol Mg

• 1.000 mol Mg

•  0.8156 mol Mg

Which of the following dimensional analysis setups will correctly convert 4.00x10²³atoms of cobalt to moles of cobalt? How many moles of colbalt are there?

• setup B : 0.6644mol Co
• setup A: 2.41x10⁴⁷mol Co
• setup A : 0.664mol Co
• setup B: 2.41x10⁴⁷mol Co

Which has more atoms, 12.0 mol of C or 12.0 mol of Ca?

• 12.0 mol C
• 12.0 mol Ca
• They are equal