Chemistry Past Questions and Answers

\(50 cm ^{3}\) of a saturated solution of \(KNO _{3}\) at \(40^{\circ} C\) contained \(5.05 g\) of the salt. What is the solubility of \(KNO _{3}\) at \(40^{\circ} C [ K =39, N =14, O =16]\)

A brand of ink containing cobalt (III), copper (II) and iron(II) ions can best be separated into its various components by

If the rate law obtained for a given reaction is given as rate \(= [K X]^{n}[ Y ]^{n}\), what is the overall order of the reaction.

A molecular formula shows ____________ in a molecule

Give the total mass of copper in 1gm of copper (II) sulphate \([ Cu =40 ; S =32 ; O =16]\)