Nomenclature
Using Avogadro's #
Fun With Conversions
Formula weight & Mass%
Other Fun Stuff
100
This is the formula for Potassium Sulfide.
What is K2S.
100
This is the # of O atoms in 22 molecules of water.
What is 22
100
298 k is equivalent to this temperature in Celcius.
What is 25 degrees Celcius.
100
This is the formula weight of water.
What is 18.02 g/mole
100
This is the formula for the Hydroxide ion.
What is OH minus
200
This is the Formula for Magnesium Bromide.
What is MgBr2
200
This is the number of O atoms in 22 moles of water
What is 1.3 X E 25
200
This is the volume occupied by 10 g of water.
What is 10 cm cubed
200
this is the Mass % of H in water.
What is 11%
200
This is the number of Neutrons contained in plutonium 238.
What is 144 neutrons
300
This is the formula for diNitrogen Tetroxide
What is N2O4
300
This is the number of H atoms in 22 moles of water.
What is 2.6 X E25
300
298 k is equivalent to this temperature in Farenheit.
What is 77 degrees F
300
This is the Formula weight of magnesium Sulfate.
What is 120.3686 g/mole
300
This is the empirical formula for C6H30N3 (see Board)
What is C2 H10 N
400
this is the Formula for Silver Oxide
What is Ag2O
400
This is the number of Phosphate ions in 4.3 moles of sodium Phosphate.
What is 2.6 X E24
400
This is the # of moles Bromine atoms in 102.374 g of Bromine.
What is 1.28 moles Bromine atoms
400
This is the % mass of S in Magnesium Sulfate.
What is 26.6 %
400
These are the elements that are diatomic.
What are N, O, F, Cl, Br, I, At
500
This is the systematic name for (see board)
What is Chromium four Sulphite nonaHydrate
500
This is the number of O atoms in 4.3 moles of sodium Phosphate.
What is 1.0 X E25
500
This is the # of moles of Bromine Molecules in 102.374 g Bromine.
What is 0.64 moles Br2
500
This is the Chemical formula for a compound that is 52% C, 13% H, and 35% O by mass and has a Molecular weight of 46.07 g/mole
What is C2H6O
500
This is the formula the Ammonium thiocyanate.
What is NH4SCN
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