Mass to Mole Conversion

How many steps are in a gram to molecule conversion?

• 1

• 2

• 3

• 4

How many moles are in 16.94g of water?

• 16.94 mol H₂O

• 0.9401 mol H₂O

• 305.3 mol H₂O

• 1.063 mol H₂O

Tags

NGSS.HS-PS1-7

How many steps are in a gram to mole conversion?

• 1

• 2

• 3

• 4

Convert 86.235 g of diphosphorus pentaoxide to moles.

• 12240 moles

• 1.8747 moles

• .608 moles

• .60755 moles

Which conversion factor should be used to solve the following, "How many moles are in 28 grams of CO₂?"

• mol = 22.4 L 

• mol = 44.01 g

• mol = 6.02x10²³ atoms

• more than one

Shivani measures out 6.0 moles of epsom salt (MgSO₄) to put in her bath. How many grams of MgSO₄ went in the bath?

• 3.6 x 10²⁴ g

• 720 g

• 0.050 g

• 340 g

Tags

NGSS.HS-PS1-7

Determine the mass of 4.20 moles of C₆H₁₂

• 353 g

• 0.0499 g

• 337 g

• 2.53 x 10²⁴ g

What is the mass of 0.89 mol of CaCl₂?

• 111 grams

• 0.008 grams

• 98.9 grams

• none of the choices

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

• 2879 moles

• 8.291 moles

• .8291 moles

• .829 moles

What is the first step in converting mass to moles?

• Determine the molar mass of the substance

• Divide the mass by Avogadro's number

• Multiply the mass by the molar mass

• Use the ideal gas law