How many moles of tungsten atoms are in 4.8 x 10^25 atoms of tungsten?
What is 8.0 x10^1 moles
100
The mass of a mole of NaCl is the ____.
a. molar mass c. mass
b. atomic mass d. gram atomic mass
What is molar mass
100
What is the number of moles of beryllium atoms in 36 g of Be?
What is 4.0 Mol
100
What is the number of moles in 9.63 L of H2 S gas at STP?
What is 0.430 mol
200
How many grams of silver atoms are in 1.8 x 10^20 atoms of silver?
What is 3.2 x10^2 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. The molar mass is 35.5 g.
b. The molar mass 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.
300
How many atoms are in 0.075 mol of titanium?
What is 4.5 x 10^22 atoms
300
What is the molar mass of (NH4 )2 CO3 ?
What is 96g
300
The volume of one mole of a substance is 22.4 L at STP for all ____.
a. gases c. solids
b. liquids d. compounds
What is gases
300
The molar volume of a gas at STP occupies ____.
What is 22.4 L
400
How many molecules are in 2.10 mol CO2 ?
What is 1.26 x 10^ 24 molecules
400
What is the mass in grams of 5.90 mol C8 H18 ?
What is 673g
400
What is the volume, in liters, of 0.500 mol of C3 H8 gas at STP?
What is 11.2 L
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 10 ^24 atoms
500
What is the number of moles in 432 g Ba(NO3 )2 ?
What is 1.65 mol
500
What is the number of moles in 500 L of He gas at STP?
What is 22 mol
500
What is the percent by mass of carbon in acetone, C3H6O?