Question

7. The total particle concentration in 100 cm3 of 0.2 M Al2(SO4)3 solution is
1) 1 M
2) 10 M
3) 0.1 M
4) 0.4 M​

Answer 1

https://www.toppr.com/ask/question/20-mlof-02-m-al2so43-is-mixed-with-20ml-of-66m-bacl2-the-concentration-of/