Mole
Molar Mass
Avogadro
Volume and Facts
100

How many moles of tungsten atoms are in 4.8 x 1025 atoms of tungsten?

What is 8.0 x101 moles

100

The mass of a mole of NaCl is the ____. 

a.molar mass       c.mass 

b.average mass    d.gram atomic mass

What is molar mass (A)

100

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

What is 4.0 Mol

100

TWhat is the number of moles in 9.63 L of H2S gas at STP?

What is 0.430 moles

200

How many grams of silver atoms are in 1.8 x 1020 atoms of silver?

What is 3.2 x102 grams

200

What is the molar mass of AuCl3?

What is 303.6g

200

How many moles of CaBr are in 5.0 grams of CaBr ?

What is 2.5 x 10-2 mol

200

What is true about the molar mass of Cl2 gas? 

a. is 35.5 g. b. is 71.0 g. 

c.The molar mass is equal to the mass of one mole of chlorine atoms. d.none of the above

What is The molar mass is 71.0.  (B)

300

How many atoms are in 0.075 mol of titanium?

What is 4.5 x 1022 atoms

300

What is the molar mass of (NH4)2CO3 ?

What is 96g/mole

300

Avogadro's number

What is 6.022 x 1023

300

Which has more atoms, 3 moles of Helium or 3 moles of Lead?

What is the same number of atoms?

400

How many molecules are in 2.10 mol CO2?

What is 1.26 x 1024 molecules

400

What is the mass in grams of 5.90 mol C8H18 ?

What is 673 g/mole

400

How many moles are represented by 4.5 x 1026 molecules of NaCl?

What is 750 moles?

400

What is the percent composition of chromium in BaCrO4?

What is 20.5%

500

How many atoms are in 3.5 moles of arsenic atoms?

What is 2.1 x 1024 atoms

500

What is the number of moles in 432 g Ba(NO3)2 ?

What is 1.65 mol

500

When going from grams to atoms, what unit do you have to convert to first?

What are moles?

500

What is the percent by mass (also known as percent composition) of carbon in acetone,

C3H6O

What is 62.1%