Chemistry
JAMB 2016
What is the concentration of a solution containing 2g of NaOH in 100cm
3 of solution?
[Na=23, O=16, H=1]
-
A.
0.05 moldm-3
-
B.
0.30 moldm-3
-
C.
0.50 moldm-3
-
D.
0.40 moldm-3
Correct Answer: Option C
Explanation
2g NaOH is contained in 100cm
3
Xg NaOH is contained in 1000cm
3
Xgram = \(\frac{2\times 1000}{100}\) = 20g
Mole = \(\frac{20}{40}\) = 0.50mol/dm
3
There is an explanation video available below.
Report an Error
Ask A Question
Download App
Explanation Video
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}