Question

⏩⏩ Chlorine is prepared in the laboratory by treating manganese dioxide (Mno,) with aqueous hydrochloric acid according to the reaction
4 HCl (aq) + MnO,(s) → 2H,0 (1) + MnCl, (aq) + Cl, (g)
How many grams of HCl react with 5.0 g of manganese dioxide?⏪⏪

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Answer 1

According to the given equation:

MnO 2 +4HCl→MnCl 2 +Cl 2 +2H 2 O

1 mole of MnO 2

• reacts with 4 mole of HCl

or 87 g MnO 2

• reacts with 146 g HCl
• ∴ 5 g MnO 2

:: Will react with

87146 ×5gHCl

= 8.39 HCI

$\small\mathtt\red{Vaishnavi \: Sah_❤:) }$

Answer 2

Answer:

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