An acidic solution would turn a blue litmus paper red due to the mobile and free hydrogen (H+) ions. These hydrogen ions affect the colour property of the litmus papers and thus the colour change. A litmus paper dropped into a solution of hydrogen ions turns red to indicate that the solution is acidic.
The ionic radius increases.
Each time you move down to the next Period, you are adding an extra shell of electrons.
Each shell is further from the nucleus than the one before it, so the .
The image below illustrates the increase in ionic radius as you go down a Group.
I think it is the bottom left :)
Answer:
The concentration of hydronium ions is 0.0155 mol/L
Explanation:
The aqueous solution ionization reaction for nitric acid is as follows;
HNO₃ + H₂O → NO₃⁻ + H₃O⁺
Whereby HNO₃ is a strong acid and it undergoes complete ionization in an aqueous solution
Hence one mole of HNO₃ produces one mole of H₃O⁺ ions
0.0155 mol/L HNO₃ will have 0.0155 moles of H₃O⁺ in one liter of the solution
The concentration of hydronium ions = 0.0155 mol/L.
