Inorganic Chemistry Answers

If 3.15g of mercury oxide are thermally decomposed to mercury and oxygen
(a) What mass of mercury will be produced?
(b) How many oxygen molecules will be produced?

The magnesium and calcium ions present in seawater can be seperated by selective precipitation by adding a reagent that will cause one to precipitate while the other stays in solution. Mg=.035 M and Ca=.020M
Using a table of Ksp values, find two anions that could be used to seperate the ions and explain why?

what is the wavelength of blue light that has a frequency of 6.45 x 10^14 s^-1? (c = 3.00 x 10^8 m/s)

what is the frequency of green light that has a wavelength of 497 nm? (c= 3.00 x 10^8 m/s)

Aqueous calcium hydroxide reacts with gaseous sulfur trioxide, producing a precipitate of calcium sulfate and liquid water.

can potassium carbonate remove calcium hardness from water instead of Sodium Carbonate,
I have a KCl solution 20g/l with Calcium 500mg/l, I would normally use Na2CO3 to remove the calcium

what is an enantiomer

Iron (III) oxide reacts with carbon to give iron and carbon monoxide.
Fe2O3 (s) + 3C(s) ….. 2Fe (s) + 3CO(s)

How many grams of Fe can be produced when 6.00 g of Fe2O3 reacts?

Iron (iii) oxide reacts with carbon to give iron and carbon monoxide.
Fe2O3(s) + 3C (s)....... 2Fe (s) + 3CO (s)

How many grams of CO are produced when 36.0 g of C reacts ?

Metallic radius depends to some extent on what structure of the metal?