PLEASE HELP ME!
When magnesium powder is heated, it combines with oxygen to form white magnesium oxide powder.
(a) State one use of magnesium oxide.
(b) Write the chemical equation of this reaction.
(c) Calculate the mass of magnesium oxide formed if 3g magnesium is completely burnt in excess oxygen.
(d) The magnesium oxide is basic and reacts with hydrochloric acid to form magnesium chloride salt bad water. Write the chemical equation of this reaction. (Relative atomic mass of O=16,Mg=24)
Answers: 1
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