2 moles of zinc react with cupric chloride solution containing `6.023 xx 10^(22)`formula unit of `CuCl_2` calculate the moles of copper obtained?`Zn(s)+CuCI_2 (aq) to ZnCI_2 (aq)+Cu(s)`

2 moles of Zinc reacts with a cupric chloride solution containing 6.023 xx 10^22 formula units of CuCl_2 . Calculate the moles of copper obtained. Zn_ ((s)) + CuCl_(2(aq)) to ZnCl_(2(aq))+ Cu_((s))

The mass of 1 xx 10^(22) formula units of CuSO_4. 5H_2O is _______

A sample of hard water contains 1 xx 10^(-3) mole of CaCl_2 per 10kg of water. Calculate the degree of hardness of water sample

1 mole of any gas a) Occupies 22.4 lit at STP b) Contains 3.05 xx 10^22 molecules c) Contains 6.023 xx 10^23 molecules d) Contain same number of molecules as in 22 gm of CO_2

The standard emf of Deniell cell is 1.1 V. Calculate the standard Gibbs energy for the cell reactions: Zn_((s))+Cu_((aq))^(2+)to Zn _((aq))^(2+)+Cu_((s))

Calculate the mole fraction of H_(2)SO_(4) in a solution containing 98% H_(2)SO_(4) by mass.