Question

67. For the reaction
Caco, + 2HCl - CaCl, CO + H20
Volume of Co, gas released at STP when 4 ko of
limestone (percentage purity of 75%) is taken with
excess HOI is
(1) 224L
2) 672
(3) 89.6 L
68. Molarity of HⓇ ion in resulting solution if 100 ml of
14 6722
02 NH,SO, is mixed with 400 ml of 0.1 N HOI
(1) 0.12 M​

Answer 1

Answer:

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Explanation:

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