Determine the mass in grams of Avogadro number of C12H22O11
342.3 g/mol
molar mass of potassium nitrate
101.11g/mol
Calculate the number of grams of oxygen given 5.00 g N2O5.
3.70g.
What is the molar mass NH4NO3?
80.06 g/mol
How many moles are in 25.0 grams of water?
1.39 moles
How many moles are in 6.40 g of HBr?
0.0791 mol
molar mass of strontium phosphate
452.80 g/mol
Calculate the percent oxygen in CH3COOH.
53.28%
Convert 25mg of chromium (III) carbonate to moles
8.8 x 10-5 mol
Number of molecules of carbon dioxide in 88.0 grams
1.20 x 1024
3.27 mole O2 to grams
105g
The number of liters in a mole of gas at 273 K and 1.00 atm.
22.4L
Determine the mass of potassium bromide required to make 250.0mL of 1.0M solution.
29.75g.
After 123 g of Na2CO3 ยท ? H2O are heated, 45.5 grams of the anhydrous salt remains. What is the chemical formula of the hydrate?
Na2CO3 * 10H2O
Number of atoms in 23.0 grams of sodium
6.02 x 1023
0.100 mole NH3 to grams
1.70g.
Convert 8.79 grams of carbon tetrachloride to molecules
3.44 x 1022 molecules.
What volume of 0.75M AgNO3 can be made from 56.7 grams of solute?
0.445 L
Caffeine has the following percent composition: carbon 49.48%, hydrogen 5.19%, oxygen 16.48% and nitrogen 28.85%. Its molecular weight is 194.19 g/mol. Solve the molecular formula.
C8H10O2N4
Molecules 16.5 g of sulfur hexafluoride
6.79 x 1022 molecules
What is the mass of exactly one mole of calcium acetate?
158.17 g/mol
What mass of sodium chloride must be added to 450mL of water to produce a 1.5M solution?
39 g NaCl
Determine the volume in mL of sulfuric acid in 2.50 moles. Density is 1.84g/mL.
133 mL
How many atoms of chlorine are in 2.75 grams of magnesium chloride?
3.48 x 1022 atoms.
How many molecules are in 0.219g of carbon dioxide
3.00 x 1021 molecules