CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Molarity

20 mL of 0.5 ...

Question

20 mL of 0.5 M HCl is mixed with 30 mL of 0.3 M HCl, the molarity of the resulting solution is:

A

0.8 M

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

B

0.53 M

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

C

0.38 M

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

D

0.83 M

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

Open in App

Solution

The correct option is C 0.38 M
$M_{1} V_{1} + M_{2} V_{2} = M_{R} (V_{1} + V_{2})$

where $M_{R} =$ resultant molarity of the mixture.

$\Rightarrow 0.5 \times 20 + 0.3 \times 30 = M_{R} \times 50$

$M_{R} = 0.38 M$

Hence, the correct option is $C$

Suggest Corrections

thumbs-up

0

Similar questions

Q. 20mL of 0.5M HCl is mixed with 30 ml of 0.3 M HCI, the molarity of the resulting solution is

Q. 100 mL of a 0.1 M HCl solution, 200 mL of a 0.2 M HCl solution, 300 mL of a 0.3 M HCl solution, 400 mL of a 0.4 M HCl solution and 500 mL of a 0.5 M HCl solution are mixed. 200 mL of this solution is diluted with 300 mL of water. What is the molarity of HCl in the resultant solution?

Q. 100 mL of a 0.1 M HCl solution, 200 mL of a 0.2 M HCl solution, 300 mL of a 0.3 M HCl solution, 400 mL of a 0.4 M HCl solution and 500 mL of a 0.5 M HCl solution are mixed. 200 mL of this solution is diluted with 300 mL of water. What is the molarity of HCl in the resultant solution?

Q. 100 ml of 1M

H C l

H C l

H C l

are mixed. The molarity of the resulting solution is:

Q. The molarity of a solution obtained by mixing 750

m L

0.5 M H C l

m L

2 M H C l

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Reactions in Solutions

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon