Molar mass
How many other names are there for molar mass?
Four
What is the molar mass of fluorine gas?
37.996 g/mol
what is the equation for addition synthisis?
A+B--> AB
what is an empirical formula?
The simplest ratio of the molecular formula
What is the mass of one mole of argon?
55.85 amu
what is the formula for percent conversions?
mass%= (mass of element/mass of compound) x 100
what is the equation for decompostition?
AB--> A+B
what is the difference between empirical and molecular formulas?
Molecular formulas will tell you the total number of atoms, empirical will give the simplest ratio of the same formula
How many moles are in 88g of Carbon Dioxide
what is the percent composition of the element H in the compound HCI?
2.8%
What type of element will react with compounds in a single replacement?
single elements
How many moles are in 16.94g of water?
0.9401 mol H2O
who discovered the mole
Amedeo Avogadro
what is the percent composition of element Al in the compound Al(SO4)2?
12.314%
What type of element will react with compounds in a double replacement?
two elements will react with compounds AND metals in some places
How many molecules are in 32.4 grams of phosphorous pentoxide?
1.76 x 1023 molecules
what are the other names for molar mass?
molecular mass, molecular weight, formula mass, and formula weight
How does a chemist use a mole in conversions?
a mole as the unit for the number of atoms or as the molecules of the material
what will always be the product of combustion ?
CO2 + H2O
what is the percent by mass of O in Mg(NO4)2?
70.098%