Determine the mass in grams of one mole of C12H22O11
342.3 g/mol
What is the molar mass of potassium nitrate?
101.11g/mol
How many grams of oxygen are in 5.00 g N2O5
3.70g.
What is the molar mass of 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
What is the molar mass of strontium phosphate?
452.80 g/mol
Calculate the mass percent of 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
How many grams are in 3.27 moles of oxygen gas?
105g
How many liters in a mole of gas at STP?
22.4L
Determine the mass of potassium bromide required to make 250.0mL of 1.25M solution.
37.19 g
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
How many grams are present in 0.015 moles of calcium oxalate?
1.92 g.
How many molecules are in 8.79 grams of carbon tetrachloride?
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 half of a mole of Molybdenum (III) Hypochlorite?
125.145 g
What mass of sodium chloride must be added to 450mL of water to produce a 1.5M solution?
39 g NaCl
What volume in mL of sulfuric acid is in 1.1 x 10^24 molecules? The density of sulfuric acid is 1.84g/mL.
97.41 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