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Terms in this set (23)
The mole has a value of 6.023 x 1022.
The numerical value of the mole is defined as being equal to the number of atoms in exactly 12 grams of pure carbon-12.
What is the mass of 3.09 x 1024 atoms of sulfur in grams?
One mole of water contains 6.022 x 1023 hydrogen atoms.
How many atoms are in 1.50 moles of fluorine gas?
The molecular formula is equal to the empirical formula multiplied by a whole number integer.
How many atoms are present in 4.5 moles?
What is the correct value for Avogadro's number?
6.022 x 10^23
A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous?
An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most likely empirical formula for this compound?
One mole of boron has a mass of ________ g.
How many molecules of nitrogen monoxide are in a 22.5 gram sample?
How many moles of Pb are in 4.71 x 1021 Pb atoms?
What is the mass in grams of 5.40 moles of lithium?
What is the molecular formula of a compound given the molar mass of the compound is 186.5 grams and the empirical formula is C2H7?
1) None of these
None of these
Avogadro's Number is 6.022 x 1023.
How many atoms are in 5.80 moles of He?
3.49 x 10^24
An unknown acid has a molar mass of 60.05 g/mol. Given the following percent composition, what is the molecular formula? 40% C, 6.7% H, 53.3% O
One mole of nitrogen gas contains (2) x (6.022 x 1023) nitrogen atoms.
The mass of one mole of carbon dioxide is ________ g.
One mole of ammonium nitrite contains:
All of 2 moles of nitrogen atoms, 4 moles of hydrogen atoms, and 2 moles of oxygen atoms
One mole of CO2 gas contains 1 mole of carbon atoms and 2 moles of oxygen atoms.
If you have 1.81 x 1024 atoms of copper, how many moles of copper do you have?
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