a mixture of iron fillings and 1.6g of sulphur is heated untill the reaction is...
a mixture of iron fillings and 1.6g of sulphur is heated untill the reaction is...
a mixture of iron fillings and 1.6g of sulphur is heated untill the reaction is completed. 4.4g of iron (II) sulphide are produced and no sulphur is remaining. calculate the mass of unchanging iron.?
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