wiz-icon
MyQuestionIcon
MyQuestionIcon
4
You visited us 4 times! Enjoying our articles? Unlock Full Access!
Question

A solution of 10M NaOH was used to prepare 2L of 0.5M NaOH. How many mL of the original NaOH solution are needed?

A
10mL
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
100mL
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1000mL
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
200mL
No worries! We‘ve got your back. Try BYJU‘S free classes today!
E
2000mL
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 100mL
From reaction,
M1V1=M2V2

V1=M2×V2M1

V1=0.5 M×2 L10 M

V1=0.1 L
V1=0.1 L×1000 mL/L
V1=100 mL

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon