AP 1.1 Moles and Molar Mass

What is the molar mass of Hydrogen Peroxide (H₂O₂)?

• 34.02 g/mole
• 36.5 g/mole
• 48 g/mole
• 35.5 g/mole

How many moles are in 16.94g of water?

• 16.94 mol H2O
• 305.3 mol H2O
• 1.063 mol H2O
• 0.9401 mol H2O

What is the mass in grams of 5.90 mol C₈H₁₈?

• 673 g
• 389 g
• 19.4 g
• .0512 g

How many moles are in 19.82 g Mg?

• 0.8156 mol Mg
• 1.226mol Mg
• 481.7mol Mg
• 1.000mol Mg

What is the mass in grams of 2.3456 moles of W?

• 486.01 grams
• 207.2 grams
• 6.02 grams
• 431.22 grams

What is the molar mass of one mole of HCl?

• 35.45 grams per mole of HCl
• 36.46 grams per mole of HCl
• 1.01 grams per mole of HCl
• 79.92 grams per mole of HCl

What is the molar mass of glucose, C₆H₁₂O₆?

• 18 g
• 160.00 g
• 12.01 g
• 220.17 g
• 180.18 g

Butane, CH3-CH2-CH2-CH3, is a hydrocarbon fuel used in lighters. How many moles of molecules are there in a 350. gram sample of butane?

• 20300 mol
• 6 mol
• 6.02 mol
• 20349 mol
• 0.170 mol

How grams of oxygen are present in a 30.0 gram sample of potassium chlorate?

• 3.83 grams
• 11.8 grams
• 150.45 grams
• 7.83 grams
• 36.8 grams

According to the information in the table below, a 1.00 g sample of which of the following contains the greatest mass of oxygen?

• Na2O
• MgO
• K2O
• CaO