Concentration of Constituent ions

Which of the following has highest concentration of hydrogen ion?

If the molar concentration of SnCl_(4) is 1.5 xx 10^( –3)" mol L"^( –1) , the concentration of chloride ions in g ion L^( –1) is :-

A copper-silver cell is set up. The copper ion concentration in it is 0.10 M. The concentration of silver ions is not known. The cell potential measured is 0.422 V. Determine the concentration of silver ions in the cell. [Given E_(Ag^(+)//Ag)^(@)=0.80,E_(Cu^(2+)//Cu)^(@)=+0.34 V]

The product of molar concentration of hydrogen ions and hydroxide ions in a 0.01 M aqueous solution of sodium chloride is known as