The Mole

What is the molar mass of Sodium Chloride (NaCl)?

(round to nearest whole number and don't forget the unit)

(a)  

What is the molar mass of Carbon Dioxide (CO₂) ? (Round to the nearest whole number and don't forget the unit)

(a)  

What is the molar mass of NaOH?

• 40 g/mol

• 38.989 g/mol

• 23.998 g/mol

• 57.004 g/mol

What is the molar mass of one mole of aluminum chloride (remember to determine the correct formula first)?

• 62.435g

• 116.399g

• 133.341g

• 97.888g

What is the molar mass of PbSO₄?

• 303.27 g/mol

• 255.27 g/mol

• 163.87 g/mol

• 372.27 g/mol

How many moles are there in 259.9805 g/mol of sodium hydroxide (NaOH)?

• 2.25 mol

• 4.77 mol

• 6.50 mol

• 13.0 mol

Tags

NGSS.HS-PS1-7

What is the volume of one mole of any gas at STP (Standard Temperature & Pressure)?

• 22.4L

• 0.00 L

• 1.00 L

• 44.8 L

What is the molar mass of the following molecule?

• 342.297 g/mol

• 427.871 g/mol

• 125.378 g/mol

• 331.345 g/mol

• 0.555 mol of copper

• 1.11 mol of copper

Tags

NGSS.HS-PS1-7

What is the molar mass of sodium hydroxide NaOH?

• 22.990 g/mol

• 23.998 g/mol

• 39.997 g/mol

• 49.996 g/mol

Tags

NGSS.HS-PS1-7