Chemical Composition Test
C5H10O5
A compound with empirical formula CH2O has molar mass of 150 g. What is the molecular formula?
22.99 g
A sample of sodium containing Avagadro's number of atoms has a mass of ______________________.
False
T/F: 0.100 mol of sodium chloride weighs 5.84 grams
True
T/F: One mole of any substance contains 6.022x10*23 particles
True
T/F: The mass of 1.00 mol of water is 18.0 grams
True
T/F: The molar mass of copper (II) chloride is 134.5 grams
False
T/F: The molar mass of silver is 47 grams
4.16 mol
How many moles of water are present in 75g of H20?
Particles of 1 mol of a substance
What is Avagadro's number?
74.9%
What is the mass percent of carbon in methane, CH4?
74.10 g
What is the molar mass of calcium hydroxide?
27.3%
What is the percent by mass of carbon in CO2?
