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15. Chlorine gas can be prepared in the laboratory according from NaCl and Mno2, according to the following reaction:
Mno2 + 2NaCl + 3H2SO4 MASO4+ 2NaHSO4+ 2H20*Cl2. If 17.4g of Mno, is heated with 20 g NaCl, calculate
(1) volume of cl, liberated at STP.
(ii) Mass of Mnso, formed
(iii) Mass of H,SO, required
(iv) Mass of Mno, or NaCl not used.
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