Question

4. (5 pts) A solution resulting from combination of the following is obtained: HNO NaNO, and HCIThe concentrations after mixing are found to be: 0.23M HNO 0.45M NaNO, and 0.18M HCI. What is the pH of this solution? (For HNO2. pka= 3.45) 5. (8 pts) A curious CHE 1131 student purchased a can of soda water from the cafeteria. Upon opening the can and taking a sip, student noticed a tart taste indicating an acidic solution. The content of the soda water revealed it contained only water and carbonation. If the pressure in the can is 2.5 atom, find the pH of this solution. (pka1-6,35 and pka2-10.33)
please answer the questions

Answer 1

kindly post different questions separately. please rate

CHJ 0.18M CNONO21 0.45 M (HNO2J 0.23M 4 1CE Table + Nact(og (oncentration(M) HNO, (a2) NONO2 (09) HCl () 0 23 0 13 0.45 + 018 - 018 - 0.18 o.4/ E d.27 Now in soluhon we have (HNO, 0.41M and (NONO2J= O.27 M 3i45 pka op HN02 Hanalbalch epu tron Jsing Hendevion [NANO17 H- Pka + + log 3.45 o. 27M 0.41H pH= 3.27 Answet