Question: can someone help me please ? c) What is the concentration of the hydrogen ion concentration in an aqueous solution with pH = 6.72? Given

can someone help me please ? can someone help me please ? c) What is the concentration of

c) What is the concentration of the hydrogen ion concentration in an aqueous solution with pH = 6.72? Given the formula of pH as listed below. pH = -log (hydrogen ion concentration) = -log [H"] (2 Marks) d) Electron excited from the ground state into the excited state after exposed to quantise energy The distance travel by an electron is s = cos (31 - 5) Where t in seconds and sin km. Find the distance in m of the photon after 20 minutes. (2 Marks) [Total: 10 Marks] 3 GDIR WII U

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