Calculate the number of molecules in 109.5 g of HCl. [H = 1, Cl = 35.5]

Question

KnowledgeBoat · Accepted Answer

gm mol. wt. of HCl = 1 + 35.5 = 36.5 g At s.t.p., 36.5 g of HCl = 6.023 x 10²³ number of molecules [Avogadro's law] Therefore, 109.5 g of HCl Hence, number of molecules in 109.5 g of HCl is 3 x 6.023 x 10²³

Chemistry

Calculate the number of molecules in 109.5 g of HCl. [H = 1, Cl = 35.5]

Mole Concept

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(ii) atoms in 192 g. of sulphur. [S₈]

Calculate the mass of Na which will contain 6.023 × 10²³ atoms. [Na = 23]

Chemistry

Calculate the number of molecules in 109.5 g of HCl. [H = 1, Cl = 35.5]

Mole Concept

Related Questions

Calculate the mass of 2.8 litres of CO2. [C = 12, O = 16]

Calculate the volume occupied by 53.5 g of Cl2. [Cl = 35.5]

Calculate the number of :(i) molecules [S = 32](ii) atoms in 192 g. of sulphur. [S8]

Calculate the mass of Na which will contain 6.023 × 1023 atoms. [Na = 23]

Calculate the mass of 2.8 litres of CO₂. [C = 12, O = 16]

Calculate the volume occupied by 53.5 g of Cl₂. [Cl = 35.5]

Calculate the number of :
(i) molecules [S = 32]
(ii) atoms in 192 g. of sulphur. [S₈]

Calculate the mass of Na which will contain 6.023 × 10²³ atoms. [Na = 23]