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03-03-2008, 06:49 AM
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| Hard chemistry Question Help??? the white paste that the lifeguards rub on their ose to prevent sunburn contains zinc oxide,ZnO(s),as an active ingredient.Zinc Oxid3 is produced by burning zinc sulfide. 2ZnS(s)+3 O2(g)----------2ZnO(s)+2SO2(g) a.what is the coefficient for sulfur dioxide? b.what is the subscript for oxygen gas? c.how many atoms of oxygen react? d.how many atoms of oxygen appear in the toatl number of sulfur dioxide molecules?      |
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