Webb14 apr. 2024 · The immobilized lanthanum-modified biomass ash gel ball (CS-La-BA) was prepared with lanthanum chloride, biomass ash, and chitosan to remove phosphorus from water. CS-La-BA was characterized by several analytical techniques. SEM–EDS results showed that CS-La-BA has a well-developed pore structure and abundant adsorption … WebbFind answers to questions asked by students like you. Q: 3. Calculate the pH and pOH of 0.5 N solution of hydrochloric acid (HCI) at 25°C. Q: Carbon dioxide in the atmosphere …
Changes in Rainwater pH associated with Increasing ... - Springer
Webb24 juni 2024 · Normal rain has a pH of about 5.6; it is slightly acidic because carbon dioxide (CO 2) dissolves into it forming weak carbonic acid. Acid rain usually has a pH between 4.2 and 4.4. Policymakers, … Webb21 nov. 2024 · Liquid drain cleaner falls on the other end of the scale, called basic, with a pH of 14. Clean rain normally falls about 5.6 on the pH scale; acid rain falls below 4.5 pH. e4od specs
Calculating pH of rain water - Chemistry Stack Exchange
Webb30 mars 2024 · Using p C O X 2 of 10 − 3.5 and given K H = 10 − 1.5, and pK a = 10 − 6.3, we thus get [ H X +] = 10 − 5.65 or pH = 5.65 for rainwater. You might include these details … WebbExplanation: Aquatic species require a mildly acidic pH of 4.8, and it is hazardous to their life if it drops below this level. Q6: What chemicals are involved in acid rain? Answer: Sulphur dioxide is generated when fossil fuels are burned. Sulphur dioxide generates a sulphate ion when it reaches the atmosphere. Webb5.6 to 5.8. The 5.6 to 5.8 pH of rain water is caused by carbonic acid, which occurs in the atmosphere and dissolves in water. Rainwater’s pH is slightly acidic, but it is not so … csgocheat模式