JEE Main 2013 Chemistry question

Chemistry Some Basic Concepts of Chemistry JEE Main 2013

10 mL of 2(M) NaOH solution is added to 200 mL of 0.5 (M) of NaOH solution. What is the final concentration ?

(1)0.57(M)Correct
(2)5.7(M)
(3)11.4(M)
(4)1.14(M)

Answer: (1)

Solution

Moles mol in 0.210 L. Concentration M, option (1).

Question ID VK-104197