Mole Concept

Question 1

definition of a mole

Answer 1

the amount of a substance that contains the same numberof particles as there are atoms in 12.00g of carbon 12

Question 2

what is Avogadros constant?

Answer 2

6 x 1023

Question 3

Molar Mass

Answer 3

the mass of one mole of a substance g/mol

Question 4

Avogadros Law

Answer 4

sttes that equal volume sof gases under the same conditions of temperature and pressure,contain the same numbe rof molecules

Question 5

The Law of Conservation of Matter

Answer 5

states that matter can neither be created no destroyed during a chemical reaction

Question 6

A standard solution

Answer 6

is one whose concentration is know accurately.A standrad solution is made using a volumetric flask

Question 7

The concentartion of a solution

Answer 7

The measure of the quantity of a solute dissolved ina fixed volume of a solution

Question 8

this give the simplest mole ratio between atoms or ions present in a compound

Answer 8

empirical formula

Question 9

this gives the actual number of moles of atoms of each element in one mole of a compound

Answer 9

molecular formula