KAP Unit 7 Review

What percent of silver nitrate is silver (+1)? --round to tenths place

Benzene (C₆H₆) and acetylene (C₂H₂) have the same ______ formula but different ______ formulas. (Insert answer as: first response, second response)

Formula of a compound with the smallest whole-number mole ratio of the elements.

• Molar formula

• Empirical formula

• Molecular formula

• Particle formula

"True" formula

• Molar formula

• Empirical formula

• Molecular formula

• Particle formula

How many molecules are in 0.400 moles of dinitrogen pentoxide?

How many particles of CO are there in 2.5 moles of CO?

• 2.00 X 10²⁴ particles

• 1.51 x 10²³particles

• 2.00 x 10²³ particles

• 1.51 x 10²⁴ particles

The molar mass of Ca(OH)₂ is

• 57.08 g/mol

• 75.00 g/mol

• 74.09 g/mol

• 58.00 g/mol

How many particles of Krypton are present in 20 L of Krypton?

• 5.36 x 10²³ particles

• 6.74 x 10²³ particles

• 2.00 x 10²³ particles

• 6.00 x 10²³ particles

What is the grams of O₂ in 18 L of O₂ gas?

• 12.80 g

• 39.68 g

• 19.84 g

• 25.60 g