The main raw material of iron & steel industry (1) Copper
(ii) Dolomite
(iii) Zinc
(iv) Silver

10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?

What overall charge must all compounds have

How many grams of phosphorus are contained in 5.09 moles of phosphorus?