250cm3 of 0.2 molar potassium sulphate solution is mixed with 250cm3 of 0.2 molar KCl solution. The molar concentration of K+ ions is?
A. 0.2 molar
B. 0.3 molar
C. 0.25 molar
D. 0.35 molar
Answer:B
250cm3 of 0.2 molar potassium sulphate solution is mixed with 250cm3 of 0.2 molar KCl solution. The molar concentration of K+ ions is?
A. 0.2 molar B. 0.3 molar C. 0.25 molar D. 0.35 molar