For the given reaction;... | Mole Concept | JEE Main 2026

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Question

For the given reaction; $$ \mathrm{CaCO}_3+2 \mathrm{HCl} \longrightarrow \mathrm{CaCl}_2+\mathrm{H}_2 \mathrm{O}+\mathrm{CO}_2 $$ If $90 \mathrm{gCaCO}_3$ is added to 300 mL of HCl which contains $38.55 \% \mathrm{HCl}$ by mass and has density $1.13 \mathrm{~g} \mathrm{~mL}^{-1}$, then which of the following option is correct ? Given molar mass of $\mathrm{H}, \mathrm{Cl}, \mathrm{Ca}$ and O are $1,35.5,40$ and $16 \mathrm{~g} \mathrm{~mol}^{-1}$ respectively.

Select the correct option:

A

60.32 g of HCl remains unreacted

B

64.97 g of HCl remains unreacted

C

32.85 g g of $\mathrm{CaCO}_3$ remains unreacted

D

97.30 g of HCl reacted

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