Mole Quiz Review S2017

What is the definition of empirical formula?

• the number of grams per one mole of a substance
• whole number that's a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per every one mole of a substance.

What is the definition for a molecular formula?

• number of grams per one mole of a substance
• whole number ratio that is a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per one mole of a substance

What is the definition of molar mass?

• number of grams per one mole of a substance
• whole number ratio that is a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per one mole of a substance

What is the definition for Avogadro's number?

• number of grams per one mole of a substance
• whole number ratio that is a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per one mole of a substance

Which of the following is not a particle type?

• grams
• formula units
• ions
• molecules

Which would have more atoms?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

Tags

NGSS.MS-PS1-1

Which of the following would have more mass?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

What is the molar mass of calcium phosphate? (Ca₃(PO₄)₂)

• 86.97 g/mol
• 120.24 g/mol
• 181.94 g/mol
• 310.18 g/mol

What is the molar mass of MgCl₂?

• 24.31 g/ml
• 95.21 g/mol
• 59.76 g/mol
• 70.90 g/mol

Determine the mass in grams of 0.0489 mol Ag?

• 0.0489 grams
• 107.87 grams
• 0.00045 grams
• 5.27 grams 

Tags

NGSS.HS-PS1-7