hi , i just took my Hong Kong A Level exam on 4/19
i have a question on it
X is a trivalent metal . when treated with HCl , H gives Hydrogen , while its oxide undergoes neutralization.
16.5g of a mixture of X(s) and X2O3 (s) is allowed to react with 6M HCl(aq) . 0.0954dm3 of the acid is needed for both the metal and its oxide to undergo complete reaction.Based on this information , Deduce respectively the greatest value and the smallest possible value of the relative atomic mass of X
thx for any answer