EASY
11th Maharashtra Board
IMPORTANT
Earn 100

Calculate the number of moles of magnesium oxide in of the compound . (Average atomic masses of and )

Important Questions on Some Basic Concepts of Chemistry
EASY
11th Maharashtra Board
IMPORTANT

EASY
11th Maharashtra Board
IMPORTANT

HARD
11th Maharashtra Board
IMPORTANT
Calculate the mass of potassium chlorate required to liberate of oxygen at STP. Molar mass of is .

HARD
11th Maharashtra Board
IMPORTANT
Calculate the number of atoms of hydrogen present in of urea, . Also calculate the number of atoms of and .

HARD
11th Maharashtra Board
IMPORTANT
Calculate the mass of sulphur dioxide produced by burning of sulphur in excess of oxygen in contact process. (Average atomic mass : )

HARD
11th Maharashtra Board
IMPORTANT
Explain the need of the term average atomic mass.

MEDIUM
11th Maharashtra Board
IMPORTANT
Explain molar mass.

MEDIUM
11th Maharashtra Board
IMPORTANT
Explain mole concept.
