STOICHIOMETRY

How many total atoms are there in one molecule of Fe(NO₃)₃?

• 3

• 8

• 10

• 13

Tags

NGSS.MS-PS1-1

One mole of the element C (carbon) is equal in mass to one mole of the element H₂ (hydrogen).

• true

• false

Tags

NGSS.HS-PS1-7

A 0.50 mole sample of CaCO₃ contains 63 grams of calcium carbonate.

• true

• false

What is the number of moles of beryllium in 36 g of Be?

• 0.25 mol

• 4.0 mol

• 45 mol

• 320 mol

Tags

NGSS.HS-PS1-7

What is the mass of 8 moles of sodium chloride (NaCl)?

• 7.3 grams

• 468 grams

• 0.137 g/mol

• 468 mol

Tags

NGSS.HS-PS1-7

Determine the number of moles of CH₄ that are in 35.2 g of the compound.

• 525.3 mol

• 563.2 mol

• 4.6 mol

• 2.2 mol

Which of the following setups correctly shows the conversion of 160g of Al(NO₃)₃ to moles?

(molar mass = 213 g/mole)

• 
• 
• 
• 

Tags

NGSS.HS-PS1-7

The amount of a substance that contains 6.02 X 10 ²³ particles is called

• dozen

• limiting reactant

• mole

• mouse

To work stoichiometry problems, we must start with a

_______________ .

• reactant

• 2 reactants

• chemical equation

• balanced chemical equation

Stoichiometry relates molar quantities of reactants and products to each other much like a(n)

• experiment

• recipe

• mixture

• data table

Tags

NGSS.HS-PS1-7