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 molecular mass of the following in u. C_2 H_5 OH

Compare the molecular masses of the following compounds and explain the observed melting points

Molecular mass of methane is ………… .

Calculate the number of atoms in each of the following 52 u of He

Molecular mass of methane is………….. .

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 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 g of iodine (I)