What volume of hydrogen is produced at s.t.p. When 2.60 g of zinc reacts with excess HCI according to the fo llowing equation? Zn(s) + 2HCI(aq) → ZnCI 2(aq) + H2(g ) Zn = 65; 1 mole of a gas occupies 22.4dm3 at s.t.p Posted on:
One mole of a compound M(HCO3)2 has a mass of 162g. Calculate the relative atomic mass of M. H = 1, C =12, O = 16 Posted on:
If an element with high electron affinity combines with another element with low ionization energy the bond formed will be mainly Posted on:
