mole conversions

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

• 2879 moles

• 8.291 moles

• .828

• .654 moles

How many moles of sodium chloride are in a 321.8 g sample?

• 18810 moles

• 3.315 x 10²⁴ moles

• 5.5 moles

• 4.9moles

Convert 86.235 g of diphosphorus pentaoxide to moles.

• 12240 moles

• 1.8747 moles

• 675 moles

• .607 moles

What is the mass of 0.89 mol of CaCl₂?

• 111 grams
• 0.008 grams
• 98.9 grams
• none of the choices

How many moles are in 16.94g of water?

• 16.94 mol H₂O
• 0.94 mol H₂O

• 305.3 mol H₂O
• 1.06 mol H₂

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

What is the mass of one mole of silver?

• 32.06 g

• 107.87 g

• 14.01 g

• 22.99 g

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

What is the molar mass of AuCl₃?

• 96 g
• 130 g
• 232.5 g
• 303.5 g

What is the mass of 0.89 mol of H₂O?

• 20.2 grams

• 0.049 grams

• 16.0 grams

• 5.4x10²³ grams