calculate the molecular mass of the following in u.
`C_2 H_5 OH`

calculate the molecular mass of the following in u. NH_3

calculate the molecular mass of the following in u. CH_3 COOH

Calculate the molar mass of the following (i) H_2 O (ii) CO_2 (iii) CH_4

Calculate the number of atom in each of the following (Given : Atomic mass of I = 127 u). a. 254 u of iodine (I) b. 254 g of iodine (I)

Calculate the number of atoms in each of the following (Given :Atomic mass of I =127 u) 254 u of iodine (I)

Calculate the number of atoms in each of the following (Given :Atomic mass of I =127 u) 254 g of iodine (I)

Calculate the number of moles in the following: Mass of 3.5 g of hydrogen

Taking into consideration the relationship in the first pair, complete the second pair. Or complete the following: 2C_2H_5OH+2Nararr2C_2H_5ONa+H_2 : Oxidation reaction :: CuO+H_2rarrCu+H_2O : .........

Calculate the energy released in the following reactions, the masses given are: ''_92^236U rarr _56^140Ba+_36^94Kr+2n