What is the value of one mole.

What is the mass of one mole electrons in kg?

One mole of mono atomic gas is mixed with 2 moles of diatomic gas. What is the value of molecular specific heat of the gas at constant prssure in cal/mol K? (R=2 cal/mol K)

For the reaction : AhArr nB , if 'a' mole of A is taken initially and 'x' moles of A get dissociated at equililbrium. What is the value of degree of dissociation?

For the reaction : AhArr nB , if 'a' mole of A is taken initially and 'x' moles of A get dissociated at equililbrium. What is the value of degree of dissociation?

one mole of hydrogen iodide is heated in a closed container of 2 litre. At equilibrium half mole of hydrogen iodide has dissociated. What is the value of the equilibrium constant ?

Mole fraction of solute in benzene is 0.2 then what is the value of molality of solute?