All the parts are connected to each other however have their own answers

Calculate H3O+
1) Write the chemical equation
[tex]\text{HCl}_{(aq)}\rightarrow H^++Cl^-[/tex]2) Calculate H3O+
[tex]\lbrack H_3O^+\rbrack=0.26M\cdot\frac{1MH_3O^+}{1\text{M HCl}}=0.26MH_3O^+[/tex]The H3O+ solution is 0.26M.