Mole Problem

How many moles are in 17 liters of fluorine?

• 380.8 moles

• 390.8 moles

• .76 moles

• .86 moles

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.

The number 6.02 x 10²³ is called...

• Obama's number

• Bohr's number

• Trump's number

• Avogadro's number

In chemistry, a "mole" is:

• The mass of an atom

• a large number used to count particles

• based on the volume of a substance

You have two sealed flasks. The first flask contains 22.99 grams of solid sodium (Na). The second flask contains 200.59 grams of liquid mercury (Hg). Which flask has more moles of the indicated substance?

• The first flask

• The second flask

• Neither.

How many moles of Francium (Fr) are in 7.4 x 10²⁶ atoms?

• 1.23 moles

• 44.56 x 10⁴⁹ moles

• 87 moles

• 1.23 x 10³ moles Fr

Tags

NGSS.HS-PS1-7

A tube with a volume of 156 L contains how many moles of Helium?

• 58.6934 mol

• 3494.4 mol

• 6.964 mol

• 2.6579 mol

How many moles do 5.50 x 10^25 atoms of carbon monoxide consist?

How many atoms are there in 2.15 moles of gold?

How many molecules are there in 0.151 moles of nitrogen oxide?