Chemistry Class 11 NCERT Solutions: Chapter 1 Some Basic Concepts of Chemistry Part 12

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Q: 35. Calcium carbonate reacts with aqueous according to the reaction,

What mass of is required to react completely with 25

Answer:

Thus, 1000 mL of solution contains of HCl.

From the given chemical equation,

Q: 36 Chlorine is prepared in the laboratory by treating manganese dioxide with aqueous hydrochloric acid according to the reaction

How many grams of HCl react with of manganese dioxide?

Answer:

Hence, of will react completely with of manganese dioxide.