Calculate the formula weight of compounds `K_2CO_3 `

Calculate the formula weight of compounds NO_2

Calculate the formula weight of compounds PCl_3

Calculate the formula weight of compounds NaOH

Calculate the formula weight of compounds Mg (OH)_2

Calculate the formula weight of compounds glucose (C_6 H_(12) O_6)

Calculate the formula weight of compounds methanol (CH_3OH)

Calculate the formula weight of each of the following to three significant figures, using a table of atomic weight (AW): (a) chloroform CHCl_3 (b) Iron (III) sulfate , Fe_2(SO_4)_3 .

b) Atoms of element B form hep lattice and those of element A occupies 2//3^(rd) of tetrahedral voids. Calculate the formula of the compound formed by A and B.

Molecular weight of compound (A) is :

A compound of carbon, hydrogen, and nitrogen contains the three elements in the respective ratio of 9 : 1 : 3.5 Calculculate the empirical formula. If the molecular weight of the compound is 108, what its molecular formula?