All about THE MOLE!
The amount of atoms/particles/molecules in one Mole
The molar mass of Hg
What is 200.59 g/mol?
What percentage of H2O is Hydrogen? Oxygen?
11.21% of H and 88.79% of Oxygen
This type of formula tells you how many atoms of each element are in a compound.
What is Molecular Formula?
This is an ionic compound that contains water molecules in its structure.
What is a Hydrate?
Examples of counting by weighing with FOOD
What is meat/fruit by the pound? What is a dozen of eggs?
The molar mass of Al(SO4)3
What is 342.15 g/mol?
What percentage of NaCl is Sodium? Chlorine?
39.3% of Na and 60.7% of Cl
This type of formula tells you the simplest or the most reduce ratio of elements in a compound
What is Empirical Formula?
This is a substance that remains after the water is removed from a hydrate.
What is an Anhydrate?
The number 6.02 x 10^23 and the name of the person who invented it.
What is Avogadro's number?
The amount of grams in 2.5 moles of water
What is 45.05 grams?
Does CH4 or CO2 have the largest percent of Carbon?
CH4
Do the molecular formulas of C2H4O2 and C6H12O6 have the same empirical formula? Yes or no? Please give a reason why to your answer.
Yes. Their empirical formula is CH2O.
This is the number that attaches itself to water molecules.
What is Hydration Number?
What is 1 mole?
The amount of Nitrogen atoms in 4.7 moles.
What is 2.8 x 10^24 Nitrogen atoms?
Which has the greater mass? 1.0 mol of Na or 1.0 mol of Carbon?
SIKE! They're all the same!
Empirical formula of a substance is CH2O. Molar mass is 180. What is the molecular formula?
C6 H12 O6
A hydrate of Magnesium Sulfate has a mass of 13.52 g. This sample is heated until no water remains. The MgSO4 anhydrate has a mass of 6.60g. Find the formula and name of the hydrate.
MgSO4 x 7H2O
The amount of eggs in a mole
What is 6.02 x 10^2 eggs?
The amount of carbon atoms are in 20 grams of Carbon.
What is 1.00 x 10^24 Carbon atoms?
12. 01 g of Carbon contains how many atoms?
6.02 x 10^23 atoms
What is the empirical formula of a compound that contains 0.783g of Carbon, 0.196g of Hydrogen and 0.521g of Oxygen?
C2 H6 O
Explain the ENTIRE process of the hydrate lab and how you achieved the answer you calculated.