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Some Basic Concepts of Chemistry question

2023 · 13 Apr · Shift 1 · Q18
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Some Basic Concepts of Chemistry question

2023 · 13 Apr · Shift 1 · Q18

JEE MainChemistrySome Basic Concepts of ChemistryNumerical+4 / −1
20 mL20 \mathrm{~mL}20 mL of calcium hydroxide was consumed when it was reacted with 10 mL10 \mathrm{~mL}10 mL of unknown solution of H2SO4\mathrm{H}_{2} \mathrm{SO}_{4}H2​SO4​. Also 20 mL20 \mathrm{~mL}20 mL standard solution of 0.5 M HCl0.5 ~\mathrm{M} ~\mathrm{HCl}0.5 M HCl containing 2 drops of phenolphthalein was titrated with calcium hydroxide, the mixture showed pink colour when burette displayed the value of 35.5 mL35.5 \mathrm{~mL}35.5 mL whereas the burette showed 25.5 mL25.5 \mathrm{~mL}25.5 mL initially. The concentration of H2SO4\mathrm{H}_{2} \mathrm{SO}_{4}H2​SO4​ is ‾\underline{\hspace{2cm}}​ M. (Nearest integer)
Numerical answer
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