Inorganic Chemistry Answers

hydrochloric acid reacts with metal oxides and hydroxides to form chlorides and water what is the equation

why refining processes are carried out in fuel to remove sulfur and sulfur compound prior to their use

1. 0.0050 grams of a chemical is dissolved in 75 grams of water. What is the concentration of the chemical in parts per million? 

What is the Cr-Cr bond order in the complex [Cr2(μ-O2CCH3)4(OH2)2] ?

What are the mass percentages of carbon and oxygen in carbon dioxide, ( CO2)?

Give the general pattern of the paramagnetic moments of lanthanoid ions with the help of graph.

Suppose that 0.04 mol NaOH is dissolved in 300 ml of the following 

buffer solution. 0.02 M NaCH3COO and 0.04 M CH3COOH. What is 

the final pH of the solution? Ka of conjugate acid =1.80 x 10-5

Calculate Qsp if 0.00050M NaF is mixed with 0.000015M Ca5(PO4)3OH in equal volumes. The book is giving 2.4 x 10 -40 as the answer and I can't reconcile that

Calculate the wavelength of radiation emitted producing a line in Lyman Series, when an electron falls from the third orbit in hydrogen atom. [RH = 1.1 x 107]   

Calculate the wavelength of radiation emitted producing a line in Lyman Series, when an electron falls from the third orbit in hydrogen atom. [RH = 1.1 x 107]