Mole Problems
How many moles of tungsten atoms are in 4.8 x 1025 atoms of tungsten?
What is 8.0 x101 moles
Determine the empirical formula of a compound found to be 48.0 % C, 4.0 % H and 48.0 % O by mass.
What is C4H4O3
The empirical formula of a compound was found to be C4H8N2O and if the molecular weight of the compound is 200.0 g/mol, what is the molecular formula?
What is C8H16N4O2
What is the percent of nitrogen in AgNO3?
What is 8.2%
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
How many grams of silver atoms are in 1.8 x 1020 atoms of silver?
What is 3.2 x102 grams
Determine the empirical formula of a compound with the following composition by mass: 36.0 % C, 4.0 % H, 28.0 % N and 32.0 % O.
What is C3H4N2O2
What is the molecular formula of a compound that weighs 300.0 g/mol and has an empirical formula of C5H12N2
What is C15H36N6
What is the percent of silver in AgNO3?
What is 63.5%
What is the molar mass of AuCl3?
What is 303.6g
How many atoms are in 0.075 mol of titanium?
What is 4.5 x 10^22 atoms
Determine the empirical formula of a compound with the following composition by mass: 24.0 % C, 7.0 % H, 38.0 % F and 31.0 % P.
What is C2H7F2P
What is the molecular formula of a compound that weighs 400.0 g/mol that has an empirical formula of C3H5IO2
What is C6H10I2O4
What is the percent of hydrogen in H2O?
What is 11%
What is the molar mass of (NH4 )2 CO3 ?
What is 96g/mole
How many molecules are in 2.10 mol CO2 ?
What is 1.26 x 1024 molecules
A borane is a compound containing only boron and hydrogen. If a borane is found to contain 88.45% boron, what is its empirical formula?
What is B5H7
A compound is contains 87.4% nitrogen and 12.6% hydrogen. If the molecular mass of the compound is 32.05 g/mol, what is the molecular formula?
What is N2H4
What is the percent of each element in CuSO4?
What is Cu = 39.8% S = 20.1% O = 40.1%
What is the mass in grams of 5.90 mol C8 H18 ?
What is 673g/mole
How many atoms are in 3.5 moles of arsenic atoms?
What is 2.1 x 1024 atoms
4.46g of lead oxide was reacted with carbon and 4.14g of lead was obtained. Calculate the empirical formula of the lead oxide
What is PbO
A compound is contains 46.7% nitrogen and 53.3% oxygen. If the molecular mass of the compound is 60.0 g/mol, what is the molecular formula?
What is N2O2
What mass of Manganese is there in a 625.4 g sample of KMnO4?
What is 217 g
What is the number of moles in 432 g Ba(NO3)2 ?
What is 1.65 mol