Ajar test has shown that the optimum dose of ferric chloride consumes all of the alkalinity. if the amount of ferric chloride that is in excess is 10 mg/l, how much lime (ca(oh) 2 ), in mg/l must be added to neutralize the acid formed?

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Adialysis unit requires 78.5 l of water.the estimated digit is 5. 

Answer-ide.