• # question_answer         Determine the equivalent weight of each of the following compounds assuming the formula weights of these compounds are x, y and z respectively. (i)$N{{a}_{2}}S{{O}_{4}}$           (ii)$N{{a}_{3}}P{{O}_{4}}.12\,{{H}_{2}}O$ (iii)$C{{a}_{3}}{{(P{{O}_{4}})}_{2}}$

Eq wt = Mol. wt/Total positive valency of metal atoms (i)$x/2$                              (ii)$y/3$                             (iii)$z/6$.

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