Vocabulary
Avagadro's Number
What is 6.02 X 10^23
The number of molecules of molecular oxygen 25.0 g of molecular oxygen
What is 4.71 X 10^23 O2 molecules
What is the percent composition of H2O?
What is H= 11.19% O= 88.80%
What is the empirical formula and name of 60% S and 40% O?
What is S3O4 and trisulfur tetroxide.
The number of micrometers in 1 meter.
What is 106 microns
The simplest whole number representation of family of compounds.
What is a empirical formula
How many atoms of Mg are in 3.00 moles of MgCl2?
What is 1.08 X 10^24 atoms Mg
What is the percent composition of CuBr2?
What is Cu= 28.4% Br=71.6%
What is the empirical formula of 1.8% H, 56.1% S, and 42.1% O?
What is H2S2O3
The number of km2 in 500 square meters.
What is 0.0005 km2
The written numerical definition of % H in CH4
What is (4)(1.001) x 100/16
How many grams are in 4.5 moles of NaF?
What is 189 grams
What is the percent composition of HCl
What is H=3% Cl= 97%
What is the empirical formula of 6.57% K, 35.36% Cr, and 38.07% O?
What is K2Cr2O7
The number of nanometers in 759 centimeters.
What is 7.59 X 109
Definition of "the mole"
What is 6.02 X 1023 things/entities
How many moles are in 68 grams of Cu(OH)2?
What is 0.70 moles Cu(OH)2
What is the percent composition of (NH4)2S?
What is N=41.1% H= 11.8% S=47.1%
What is the empirical formula of 30.4% N and Oxygen?
What is NO2
Convert 124 cm/s to m/day
107136 m/day
The definition of "Molar Mass"
What is the mass of one mole of a substance
How many grams are in 2 moles of sulfur trioxide?
What is 160.1 grams SO3
What is the percent composition of Al3(SO4)3?
What is Al=16% S=28% O=56%
What is the empirical formula of 75.75% As and Oxygen?
What is As2O3
The conversion of .0347 kg/L to mg/cmˆ3
What is 34.7 mg/cm3