Counting Atoms
How many atoms are in H2O?
What is 3?
The quantity of matter of one atom of an element, found on the periodic table?
What is atomic mass?
How many moles of carbon atoms are there in 12 g of carbon?
1 mol
How many atoms of iodine are in a mole of iodine?
6.022 x 1023
In what field of science do we most often use the mole?
Chemistry
How many atoms are in C9H8O4?
21
What is the mass of Potassium (K)?
39.1 g/mol
How many grams are in 2 moles of H2O?
36 g
How many moles are in 1.2 x 1024 molecules of H2O?
2 mol
What's another name for the mole?
Avogadro's Number
How many atoms are in K2SO4?
7
What is the mass of Water?
18 g/mol
What is the mass of one mole of NaCl?
58.44 g
How many molecules are there in 5.9 moles of NaCl?
3.5x1024molecules
How big would a mole of basketballs be?
The size of the Earth
How many atoms are in Ca(NO3)2?
9
What is the mass of 2CO2?
88 g/mol
What is the mass of 10 moles of H2?
20 g
How many moles are in 4.5x1024 particles?
0.747 mol
If you have a balloon filled with one mole of gas at zero degrees Celsius at a pressure of one atmosphere, how many gas particles do you have?
6.022 x 1023 gas particles
How many atoms are in 2Al2(CO3)3?
28
How many atoms are in C2H5ON?
9
How many moles are in 50 g of O2?
1.56 mol
How many particles would be in 8.4 moles of Octane (C8H18)?
5.04 x 1024
What is the most abundant element in the universe?
Hydrogen