Density is defined as mass per unit volume
therefore density = mass ÷ volume
volume = mass÷density
volume in ml = 17 ÷ 3.291
Answer:

Explanation:
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Considering the reaction:

The molar masses of chlorine and chloric acid are:

Now, we develop the stoichiometric relationship to find the mass of chloric acid, considering the molar ratio 3:1 between chlorine and chloric acid, as follows:

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Ca<span>2+</span> is less electro-positive than Mg2+. Therefore, CaO is less ionic than MgO. and in turn means that the O in CaO is more like O<span>2<span>– will react with H in H2O more so than O2- of MgO, because it is more ionic means O is strongly bonded to Mg compare to Ca</span></span>