What is the number 6.0221367x10^23, which is the number of representative particles in a mole, and can be rounded to 3 significant digits 6.02x10^23 called?
100
Molar mass of Copper (Cu)
What is 63.55 g/mole?
100
5.93g
What is the mass of 4.35x10^-2 mol of zinc chloride(ZnCl2)?
100
Moles of magnesium (Mg) in 3.01X10^22 atoms Mg.
0.500 Moles
100
Moles in 28g CO2
0.64 Moles
200
0.595mol ZnCl2 a formula unit; How many moles Cl?
.595 X 2= 1.19moles Cl
200
Molar Mass
What is the mass in grams of one mole of any pure substance
200
the number and types of atoms contained
What do chemical formulas indicate in one unit of the compound?
200
Molecules in 4 moles Glucose (C6H12O6)
2.41X10^24 molecules
200
Moles of Argon (Ar) in 452 g Ar.
11.3 moles Ar
300
The SI base unit used to measure the amount of a substance?
What is Mole
300
The mass of 2 moles of Magnesium (Mg).
What is 48.62 grams
300
The mass of .25 moles of Nitrogen gas (N2)
What is 7g?
300
Moles in 1.2x 10^25 atoms Phosphorus?
19.9 Moles P
300
mass of 2.00x10^23 molecules Fe (Iron)
12.6 g
400
6.02x10^23
What is Avogadro's number (also OK: Particles in a Mole)
400
1.20x10^3g Si is how many moles Si?
Solve.Moles to mass.
42.6 mol Si
400
The law of conservation of mass
What is mass is not created or destroyed?
400
Atoms in .750 moles of Zinc (Zn)
4.52x10^23 atoms Zn
400
Mass of 2.6 mol Lithium Bromide (LiBr)
230 g
500
How many particles are in 0.5 moles?
3.02x 10^23
500
4.79x10^24 atoms Li in grams
What is 55.2g Li?
500
In a sample of carbon dioxide (CO2) How many oxygen atoms are present?