Chapter 14:Chemical Calculations Flashcards
1
Q
what is Avogadro’s number?
A
6,02X10^23
2
Q
what is a mole
A
the amount of substance that contains the same number of particles as 12g of the commonest isotope of carbon
3
Q
what are different names for molar mass
A
=atomic mass
=molecular mass
=formula mass
4
Q
define the empirical formula
A
The empirical formula is the simplest formula of a compound
5
Q
theoretic Yield
A
the maximum amount of product which can be made according to the amount of limiting reagent used and the chemical equation
6
Q
limiting reagent
A
the reactant that gets consumed first in a chemical reaction limiting how much product can be formed .
7
Q
concentration
A
the number of moles of solute /Volume of the solution in decimeters cubed
