WebbCalculate the pH of water at 50 degrees when Kw= 5.48 x 10^-14. Is the water neutral? Explain your answer. 2. 3.5g of impure NaOH (98.7%) dissolved in water and made up to 100cm^3. Then 25cm^3 of 0.35moldm-3 diprotic acid is added. Calculate the pH. I've looked at a few explanations for this question but I'm still confused. Thanks Reply 1 WebbIn fact, pure water only has a pH of 7 at a particular temperature - the temperature at which the K w value is 1.00 x 10-14 mol 2 dm-6. This is how it comes about: To find the pH you …
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WebbIf pK= 13.36 at 50°C, the pH of pure water at the same temperature is (a) 7. (b) 6.68 (c) 7.32 (d) 6. Webbin 200 cm3 of water. in 50 cm3 of water. X 4. Calculate the mass of precipitate in each case below; a) a saturated solution of sodium nitrate in 400 cm3 of water at 100° C is made. The temperature is then changed to 13° C. 3 X c) 1.00 kg of sodium nitrate in water at 50° C. x a< c) 500.0 g of sodium nitrate in 500 cm3 of water. daikin 20x25x5 furnace filters
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Webb10 dec. 2024 · The ionic product of water at 50°C is 4 x 10-14. The pH of water is: (a) 6.3 and it is acidic (b) 7 and it is neutral (c) 6.7 and it is neutral (d) 7.3 and it is basic 2 See answers Advertisement krishna210398 Answer: The ionic product of water at 50°C is 4 x 10-14. Explanation: The correct option is B 6.8 Ionic product of water =2.7×10−14 Webb9 juni 2024 · pH = 7.00. Note: It's generally pretty well known that the pH of pure water at "25 ºC" is 7, but here's what we'd do to get to find that pH if we didn't know this: To find … WebbA pH range between 1 and 7 is considered an acidic level, and from 7 to 14 is considered the alkaline level of water. I found in my research that drinking water that has a neutral pH (i.e., between 6.5-8.5) is best suited for consumption. Water with an acidic pH, i.e., below 6.5, can be harmful. daikin 1 ton non inverter ac price