Expression of concentration of a solution, How much NaCl is needed to prepa...

How much NaCl is needed to prepare a 0.5 solution of 5 Ltires?

Use of halides of boron, Q. Use of Halides of Boron? Boron trihalides o...

Q. Use of Halides of Boron? Boron trihalides of the type BX3 exist for all the four halogens. Boron trifluoride can be prepared on a large scale by the fluorination of boric ox

Show the occurrence of metals, Q. Show the Occurrence of Metals? Earth'...

Q. Show the Occurrence of Metals? Earth's crust and sea are the two main sources of metals. In the earth's crust metals occur both in the combined state in the form of minerals

The following is least soluble, Which of the following is least soluble: ...

Which of the following is least soluble: (1) BeF 2                                              (2)  NaBr                  (3)  CaF 2                              (4

Atom, which of the properties of atoms of elements is the whole number/

which of the properties of atoms of elements is the whole number/

Thermodynamics, entropy change in mixing ideal gas

entropy change in mixing ideal gas

Ionic bond,

Determine the percent of hydrozen in a tris buffer, A Tris buffer at pH 6.0...

A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?

Laws of chemical combination, two oxides of a metal contain 27.6% and 30% o...

two oxides of a metal contain 27.6% and 30% oxygen. if the formula for the first oxide is m3o4 then what is the formula for the next oxide?

Saytzeff rule - elimination reaction, Saytzeff rule - Elimination Reaction ...

Saytzeff rule - Elimination Reaction As per to that principle, major part is the most substituted alkene that is , major product is obtain by elimination of H