Formula Weight

What is the weight of a 0.456 kg object?

• 456g

• 0.456kg

• 4.56N

• 456N

Tags

NGSS.HS-PS2-1

What is the formula weight of water (H2O)?

• 18 g/mol

• 20 g/mol

• 16 g/mol

• 22 g/mol

Which of the following compounds has a formula weight of 58.44 g/mol?

• NaCl

• KCl

• CaCl2

• MgCl2

Calculate the formula weight of carbon dioxide (CO2).

• 44 g/mol

• 32 g/mol

• 28 g/mol

• 40 g/mol

What is the formula weight of glucose (C6H12O6)?

• 180 g/mol

• 160 g/mol

• 200 g/mol

• 150 g/mol

Which element contributes the most to the formula weight of sulfuric acid (H2SO4)?

• Sulfur

• Hydrogen

• Oxygen

• None of the above

If the formula weight of a compound is 98 g/mol, which of the following could be the compound?

• H2SO4

• H2O

• CO2

• NaCl

Tags

NGSS.MS-PS1-1

What is the formula weight of ammonia (NH3)?

• 17 g/mol

• 18 g/mol

• 16 g/mol

• 15 g/mol

Which of the following has the highest formula weight?

• H2O

• CO2

• CH4

• NH3

Tags

NGSS.HS-PS1-7

Determine the formula weight of acetic acid (CH3COOH).

• 60 g/mol

• 58 g/mol

• 62 g/mol

• 64 g/mol