25 Spring Final AA

What is the name for CuO?

• copper (II) oxide

• copper (I) oxide

• copper oxide

• copper oxygen

What is the formula for sodium sulfate

• NaSO₄

• Na₂SO₄

• NaS

• Na₄SO

Tags

NGSS.MS-PS1-1

Which of the following is chlorite?

• ClO

• ClO₂^1-

• CO₃^2-

• ClO₃^1-

What is the molar mass of MgCl₂

• 95.211g/mol

• 59.758g/mol

• 95g

• 60g

Which of the following is endothermic?

• freezing

• melting

• fire burning

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How many moles of NaBr will form from 2.0mol of Na?

Na + Br₂ --> NaBr

• 2.0mol

• 4.0mol

• 8.0mol

• 6.0mol

Tags

NGSS.HS-PS1-7

What is the percent yield if a reaction forms 130g of product when it should have formed 132g of product?

• 102%

• 98.5%

• 98%

• 94%

Tags

NGSS.HS-PS1-7

What is the formula for carbon tetrachloride?

• CCl

• C₄Cl

• CCl₄

• ClC₄

Tags

NGSS.MS-PS1-1

How many atoms are in one mole of sodium?

• 6.02x10²³

• 1

• 22.99

• 3.82x10²³

What term is used to describe the substance that is totally consumed in a chemical reaction?

• limiting reagent

• excess reagent

• precipitate

• solvent