The Fundamental Unit of Life Solution
The Fundamental Unit of Life Solution Class 9 Science. In-text solution and exercise question answer solution.
science class 9
The Fundamental Unit of Life Activity Solution
The Fundamental Unit of Life Activity Solution. Class 9 Science Activity solution.
7. What is the mass of 1 mole of nitrogen atoms
7. What is the mass of—(a) 1 mole of nitrogen atoms? (b) 4 moles of aluminium atoms (Atomic mass of aluminium= 27)? (c) 10 moles of sodium sulphite (Na2SO3)?
6. Calculate the molar mass of the following substances.
6. Calculation of atomic masses of molecules (a) Ethyne, C2H2(b) Sulphur molecule, S8(c) Phosphorus molecule, P4 (Atomic mass of phosphorus= 31)(d) Hydrochloric acid, HCl(e) Nitric acid, HNO3.