Mole, Grams, & Molecules

How many grams are in 11.9 moles of chromium?

• 0.229g

• 4.37g

• 52.0g

• 619g

How many moles are in 15.0 g of lithium?

• 104 mol

• 2.16 mol

• 6.94 mol

• 15.0 mol

How many moles are in 9.8 grams of calcium?

• 0.24 moles

• 4.1 moles

• 1.0 mole

• 390 moles

How many molecules are there in 5.9 moles of NaCl?

• 3.5x10²⁴ molecules

• 9.80x10^-24 molecules

• 1.02x10²³ molecules

• 6.02x10²³ molecules

How many moles are present in 32.3 grams of carbon dioxide (CO₂)?

• 44.0 moles

• 1420 moles

• 32.3 moles

• 0.734 moles

How many molecules are in 150.0g if Na₂SO₄?

• 9.03x10²⁵ molecules

• 1.056 molecules

• 6.357x10²³ molecules

• 5.701x10²³ molecules