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. average 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
This is what avogadro's number represents
What is the number of particles in a mole
100
An atom with an atomic number of 45 and a mass of 103 has this many protons.
What is 45
200
How many grams of Ag atoms are in 712 moles?
What is 76803 grams
200
What is the molar mass of AuCl3?
What is 303.6g
200
How many moles of CaBr2 are in 5.0 grams of CaBr2 ?
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.
200
An ion has this
What is charge
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/mole
300
Avogadro's number
What is 6.022 x 10^23
300
Which has more atoms, 3 moles of Helium or 3 moles of Lead?
What is the same number of atoms?
300
Calcium has a 2+ charge and an atomic number of 20. What is the number of electrons?
What is 18
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/mole
400
How many moles are represented by 4.5 x 10^26 formula units of NaCl?
What is 750 moles?
400
When going from grams to atoms, what unit do you have to convert to first?
What is moles?
400
Neon has a mass number of 21 and an atomic number of 10. It has this many neutrons.
What is 11
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 atoms of He gas at STP?