Quiz The Mole

Which would have more atoms?

• 1 mole of Li

• 1 mole of Au

• 1 mole of Si

• None, all are equal

How many Oxygen atoms are in the compound Ba₃(PO₄)₂

• 4

• 8

• 6

• 3

Tags

NGSS.MS-PS1-1

Calculate the molar mass of AuCl₃

• 96 g

• 130 g

• 232.5 g

• 303.3 g

Reorder the following in the order of steps on calculating molar mass

• Multiply the number of atoms of each element by their mass

• Use the periodic table to determine the mass of each element

• Count the # of atoms of each element

• add all of the different amounts

Calculate the moles in 12.7g of CaF₂

• 0.20 mol

• 1,000.76 mol

• 6.14 mol

• 0.16 mol

Calculate the mass, in grams, of 9.4 moles of B₂(Cr₂O₇)₃.

• 6.41 x 10²²g

• 5.67x10²⁴ g

• 49.11 g

• 4,339.23 g

Tags

NGSS.HS-PS1-7

Which BEST describes what the unit of mole can be used for? 

• To measure the amount of grams in a substance

• To measure the amount of atoms or molecules in a substance

• To measure the amount of energy in a substance

• To measure the amount of bonding in a substance 

Tags

NGSS.HS-PS1-7

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

Select all that apply.

Which of the following is equivalent to a mole?

• 1 mole of Scandium

• 72.61 grams of Germanium

• 6.02x10^26

  formula units of LiBr

• 6.02x10^23 molecules of CO2