What mass of hydrochloric acid is needed to decompose 50 g of limestone?

36.5 g

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

73 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

50 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

100 g

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 36.5 g
Chemical reaction involved is:
$C a C O_{3} + 2 H C l \to C a C l_{2} + H_{2} O + C O_{2}$
Molar mass of $C a C O_{3} = 40 + 12 + 16 \times 3 = 100 g$
Molar mass of $H C l = 1 + 35.5 = 36.5 g$
According to the balanced reaction $100 g$ of $C a C O_{3}$ requires $2 \times 36.5 = 73 g$ of $H C l$
$∴ 50 g C a C O_{3}$ requires:
$\frac{73}{100} \times 50 = 36.5 g H C l$
Hence, option $A$ is correct.

Suggest Corrections

Similar questions

When does chlorine water decompose to hydrochloric acid?

Q. What volume of a 1 M solution of hydrochloric acid is needed to neutralize 80 ml of a 0.5 M sodium hydroxide solution?

Q. A solution of hydrochloric acid needs to be neutralized by barium solution. The beaker on top shows a hydrochloric acid solution.
Which of the beakers containing barium hydroxide will just neutralize the beaker of hydrochloric acid shown?

Most commercial hydrochloric acid is prepared by heating NaCl with concentrated $H_{2} S O_{4}$ . How much sulphuric acid containing $90.0 %$ $H_{2} S O_{4}$ by mass is needed for the production of 200 kg of conc. HCl containing $42.0 %$ HCl by mass?

Q. What mass of

M g (O H)_{2}

is required to neutralize 25 mL of 0.136 M hydrochloric acid solution?
Molar mass of

M g (O H)_{2} = 58.33 g m o l^{- 1}

Join BYJU'S Learning Program