Inorganic Chemistry Answers

` 4.Define any five of the following terms : (i) A component (ii) Critical point (iii) molar conductivity (iv) Transference number (v) Standard hydrogen electrode (vi) Electrolytic cells`

A compound has mass percentage of 65.450%carbon and 5.492%Hydrogen and 29.060%Oxygen. It has a molar mass of approximately 110grams per mol. Determine the molecular formula of the compound

Steel wool , which is made of pure iron metal, burns with oxygen gas to produce ferric oxide (Fe2O3). Fe(s) + O2(g) ( Fe2O3

If there are 1.25 moles of Fe and 1.25 moles of O2,

How many moles of Fe2O3 will be produced? What is its mass?

If the actual laboratory yield is 95.8g Fe2O3, what is the rection’s percent yield?

Pure aluminum (Al) metal reacts with hydrocholoric acid (HCl) to produce aluminum chloride (AlCl3) and hydrogen (H2) gas.

Write the balanced chemical equation for the reaction described above.

If the expected mass of AlCl3 to be formed is 3.5g, what should be the initial mass of the pure aluminum metal?

If the actual mass of AlCl3 produced is 3.1g, what is the percentage yield of the reaction?

How many moles of O2 will be formed if 5.0 moles of H2O decomposed into H2 and O2?

Chemical Equation: H2O ( H2 + O2

How many moles of O2 are needed to burn 100 g of propane (C3H8)?

Chemcial Equation: C3H8 + O2 ( CO2 + H2O

If 50.0 grams of Cl2 gas is reacted with enough sodium hydroxide (NaOH), calculate the following:

Mass in grams of sodium hypochlorite (NaOCL) produced

Moles of sodium chloride (NaCl) produced

Chemical Equation: NaOH + Cl2 ( NaOCl + NaCl + H2O

The bond energy of F₂ is unusually low, in comparison with the other halogens, due to the small size of the fluorine atom. Which of the following periodic properties is also unusually low in the case of fluorine?

For which cation does fluoride ion have no masking effect? Al_Mo_Be_Fe

Determine the concentration, to the nearest hundredth, phosphoric acid in a solution if there is 75.0 g of phosphoric acid dissolved in 60 mL of solution.

The stability of alkali salts depends on the ___________ of the salts

Indicate the type of transition responsible for the intense colour of the Cr(CO)4(L) and Mo(CO)4(L) complexes and justify your answer.

For the first two lines of Balmer series, identify the values of n1 and n2.