Inorganic Chemistry Answers

Ca2+ and mg2+ ions can be precipitated by calgon to soften the hard water? True or false.

Titanium metal is obtained from the mineral rutile, TiO2. How many kilograms of rutile are needed to produce 100.0 kg of Ti?

What is the chemical equation (with the states) for lead and sodium sulfide? I know what both of the reactants are, but I am unsure if it is a single displacement of a synthesis reaction.

why water maintains PH under Auto-ionization?

A mixture of 2 metals is analyzed by reacting it with dioxygen to completely convert the metals to their oxides. When 3.1g of a Zn/Fe mixture is reacted it produces 4.274g of a mixture of Fe2SO3 and ZnO. What is the mass percent for each metal in the original mixture, show units and steps to final answer.

Molecular formula of an oxide of iron in which the mass percent of iron and oxygen are 69.9 and 30.1

How many charge clouds are there around the central atom in molecules that have the following geometry?
1.seesaw
2.square planar
3.Trigonal planar
4.Trigonal bipyramidal
5.square planar
6.T-shaped
7.Linear

How many charge clouds are there around a central atom in molecules that have the following geometry?
1.tetrahedral
2.octahedral
3.bent
4.linear
5.square pyramidal
6.Trigonal pyramidal

What is the meant by +-1/2 in spin quantum numbers, and what is its physical significance?

Calculate the pH at equivalence point for the titration of 0.220M methylamine with 0.220M of HCl. The Kb of methylamine is 5.0x10^-4