Inorganic Chemistry Answers

What volume of 0.15 M HCl(aq) must be diluted to make 2.0 L of 0.050 M HCl(aq)?.

How is deionised water made using resins

For each of the following complexes:

(NH4)[FeBr_x], µeff = 5.92 BM

Na_x[Nb(CO)], µeff = 0 BM

i. Explain briefly the hybrid orbitals involved with respect to their structure.

1. Pure substance A is a solid at room temperature. Upon being heated to about 250°C, it gradually liquefies. Upon being cooled to room temperature, the liquid cannot be induced to solidify.

a. Is substance A probably an element or a compound? Explain

b. Has a chemical change occurred? If so, can it be said that the change is endothermic or exothermic?

c. Can it be said that the resulting liquid is an element, based on the information given?

Name three important reagents necessary for the preparation of potassium 

If you are provided with three (3) pieces of magnesium of the same site, then you are directed to drop into three (3) test tubes containing 10 cm portions of 0.1m of different acids namely: HCI, H2S04, and CH2COOH In which of the acids will magnesium dissolve faster and why?

solution z is prepared by mixing 0.15dm3 of solution X and 0.35 dm3 of solution Y. Solution X contains 0.12 mole of ammonia, NH3 while solution Y contains 0.09 moles of ammonium chloride, NH4CL. Determine the pH of solution Z after the addition of 0.01 mole of hydrochloric acid, HCl.( Given the pKb of NH3 is 4.75)

The hybridization of B in the BF3 molecule is

You have a 0.200mol piece of aluminum. How many atoms are present in the aluminum?

Why malachite is commonly processed using acid leaching method and chalcopyrite using froth flotation method