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Chlorine is prepared in the laboratory b...

Chlorine is prepared in the laboratory by treating manganese dioxide `(MnO_(2))` with aqueous hydrochloric acid according to the reaction
`4HCl (aq) + MnO_(2)(s) rarr 2H_(2) O(l) + MnCl_(2) (aq) + Cl_(2) (g)`. How many grams of HCl react with 5.0g of manganese dioxide?

Text Solution

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`{:(4HCl_((aq)) + ,MnO_(2) (s) ,rarr ,2H_(2)O (l) + ,MnCl_(2) (aq) + ,Cl_(2)(g)),(4 xx 36.5,87g,,,,):}`
=146.0g
87g of `MnO_(2)` reacts with HCl= 146g
5.0g of `MnO_(2)` react with `HCl= (146)/(87) xx 5= 8.40g`
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