Molar Mass
The mass in grams of one mole of a substance.
What is molar mass?
True/False: A mole of any element will weigh the same as a mole of another element.
What is false?
1.8x1023 atoms of neon to grams of neon.
What is 6.03 grams of neon?
Tells the mass contribution of an element on the total mass of the compound.
What is mass percent composition?
The difference between empirical and molecular formulas.
What is EF is the lowest whole number and MF is the actual number of elements in the compound?
True/False: The molar mass of a compound can be calculated using the atomic masses of the atoms from the periodic table in their respective ratios.
What is true?
Moles of tungsten atoms in 4.8 x 1023 atoms of tungsten.
What is 0.80 moles of tungsten?
How many atoms of SO3 are in 10.4 grams of SO3.
What is 7.8x1022 atoms of SO3?
True or False: The mass percent composition can be found even if you don't know the subscripts for each element.
What is false?
The explanation behind why CH2O is the empirical formula for C6H12O6.
What is the subscripts can be reduced by dividing by 6 to get the lowest whole number ratio of 1:2:1?
The molar mass of CaCOH.
What is 69.09 g/mol?
Moles of sulfur in 53.7 grams of sulfur.
What is 1.67 moles of sulfur?
Grams of oxygen in 0.75 moles of CO2.
What is 23.99 grams of oxygen?
The mass percent composition of hydrogen on H2O.
What is 11.2% hydrogen?
The molecular formula for a compound with empirical formula C2H8N and molar mass of 46 g/mol.
What is C2H8N?
The molar mass of CuSO4.
What is 159.61 g/mol?
1.3 moles of NaOH in grams.
What is 51.99 grams of NaOH?
Lithium atoms in 0.32 moles of Li2CO3.
What is 3.85x1023 atoms of lithium?
The mass percent composition of carbon on C6H12O6.
What is 40.0% carbon?
The empirical formula given percent composition is found to be 18.7% lithium, 16.3% carbon, and 65.0% oxygen.
What is Li2CO3?
The molar mass of Mg3(PO4)2.
What is 262.87 g/mol?
Moles of nitrogen in Ba(NO3)2.
What is 2 moles of nitrogen?
Grams of chlorine in 2.6x1022 atoms of BaCl2.
What is 3.06 grams of chlorine?
The mass contribution of manganese on Be(MnO4)2.
What is 22.3% manganese?
What is C7H7ON?