Molecules <-> Moles
5.62 x 1023 molecules of CaCl2 to moles CaCl2
0.933 moles of CaCl22
Calculate the molar mass of NaCl
58.44 g/mol
What do you call the mass of 1 mole of substance
Molar Mass
True or false: One mole of any substance always has the same mass.
False
Find the percent composition of Carbon in CO2
27.3% C
5.2 moles KBr to molecules KBr
3.13×1024 molecules of KBr
Calculate the molar mass of carbon dioxide
44.01 g/mol
How many moles are in 12.011 g of Carbon
1 mole
Which has more molecules: 1 mole of O₂ or 1 mole of CO₂?
Neither, they have the same
Find the percent composition of Al in Al2O3
52.9% Al
1.25 x 1025 molecules C8H10N4O2 to moles C8H10N4O2
20.8 moles
Calculate the molar mass of CuCl2
134.45 g/mol
What is the mass of 2.00 moles of O2
64.0g
A 50.0 g sample of NaCl is given. How many molecules does it contain?
5.15 x 1023 molecules
Find the percent composition of Oxygen in P5O10
50.8% O
2.5 millimoles ethanol to molecules of ethanol
1.51×1021 molecules of ethanol
Calculate the molar mass of C6H12O6
180.16 g/mol
How many moles are there in 29.2 g of Sodium Chloride?
0.5 Moles
How many molecules are in 48.5 g of iron(III) sulfate
7.29×1022 molecules of Fe₂(SO₄)₃
Find the percent composition of beryllium nitride
Beryllium: 49.1%
Nitrogen: 50.9%
6.125 x 1010 molecules chromium (IV) nitrate to micromoles chromium (IV) nitrate
1.02×10-7 μmol
Calculate the molar mass of manganese (IV) dichromate
486.94 g/mol
A sample has 88.0 g of iron (III) oxide. How many moles is this?
0.551 moles
How many atoms of oxygen are contained in 75.0 g of aluminum oxide?
1.33×1024 oxygen atoms
Find the percent composition of copper (I) sulfite
Copper (Cu): 61.4%
Sulfur (S): 15.5%
Oxygen (O): 23.2%