Advertisements
Advertisements
प्रश्न
Calculate the molar mass of the following substance:
Nitric acid, HNO3
उत्तर
Molar mass of nitric acid, HNO3 = atomic mass of H + atomic mass of N + 3 × atomic mass of O
= (1 + 14 + 3 × 16) u
= (1 + 14 + 48) u
= 63 u
APPEARS IN
संबंधित प्रश्न
What is the mass of 10 moles of sodium sulphite (Na2SO3)?
How many moles are represented by 100 g of glucose, C6H12O6 ? (C = 12 u, H = 1 u, O = 16 u)
The relative atomic mass of Cl atom is 35.5 a.m.u. Explain this statement.
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What volume of dinitrogen oxide is produced at the same time as 8.96 L of steam?
Calculate the number of moles of CO2 which contain 8.00 g of O2
Calculate the mass of 0.1 mole of the following:
Mg
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
The molecular formula for elemental sulphur is S8.In a sample of 5.12 g of sulphur:
How many molecules and atoms are present?
If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?
Correct the statement, if required.
One mole of chlorine contains 6.023 x 1010 atoms of chlorine.
Correct the statement, if required.
The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C12.