What is the molarity of K+ in aqueous solution that contains 17.4 ppm of K2SO4 (molar mass = 174 g mo-1) ?

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

2×10−2M

2×10−3M

4×10−4M

2×10−4M

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

K2SO4 is 17.4ppm, i.e. 106g has 17.4gK2SO41L103mL has K2SO4=17.4×103106=0.0174g/L =0.0174174mol/L∴ K2SO4=1×10−4M K2SO4⇌2K++SO42∴ K+=2×10−4M

Watch 3-min video & get full concept clarity