Stoich Review Game

How is moles abbreviated?

• M

• m

• mol

• ml

How do you find the molar mass for an element?

• Molar mass is the same as atomic mass, only in grams

• You convert into molar mass from a mass given to you

• You can only be given molar mass, it can't be calculated

• It is equal to Avogadro's Number

Answer explanation

THE PERIODIC TABLE IS YOUR FRIEND WHEN IT COMES TO MASS!!!!!

What is the molar mass of Sucrose (C₁₂H₂₂O₁₁)?

• 182.00 g/mol

• 45.00 g/mol

• 342.34 g/mol

• 377.85 g/mol

Answer explanation

To solve this question you need to add up the mass of 12C 22H and 11O.

12*12.01+22*1.01+11*16=

What is the molar mass of C₆H₁₂O₆?

• 180.18 g/mol

• 180.00 g/mol

• 182.24 g/mol

• 179.06 g/mol

Answer explanation

Though your number might have been slightly different due to a different periodic table the answers were far enough apart to avoid issues.

How many grams is one mole of Sodium?

• 32.07 g

• 118.71 g

• 150.36 g

• 22.99 g

How many grams is 2 moles of Helium?

• 4.00 g

• 8.00 g

• 2.02 g

• 4.04 g

How many moles are 156.00 grams of Chromium?

• 4 mol

• 52 mol

• 3 mol

• 1 mol

How many moles would 91 grams of Magnesium be?

• 8.4 mol

• 21 mol

• 2.5 mol

• 3.7 mol

How many grams are in 7.8 moles of NaCl?

• 476.37 grams

• 460.12 grams

• 455.83 grams

• 462.05 grams

What is Avogadro's number?

• 6.02 x 10²³

• 1 mole

• 600 million

• 6.02

Answer explanation

Avogadro's Number is the number to convert to and from things/ particles (Atoms, Molecules, Formula Units) for the Mole.