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how to make
lithium and beryllium markedly differ from other members of their respective groups.
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
preparation reaction of esters
Why can butyllithium (BuLi) not be used for deprotonation? The direct alkylation of enolates is often not very efficient for a preparative synthesis due to problems with furthe
How many unpaired electrons are present in cobalt [Co] metal: (1) 2 (2) 3 (3) 4 (4) 7 Ans: 3
0.22(6.022)(10^23)
Which chromium plating is more eco-friendly - trivalent or Hexavalent? Justify your answer in the light of environmental issues caused.
Fractional distillation - Purification of organic compounds This method is used to separate a mixture of two or more miscible liquids that have boiling points close to each oth
Energy cycle or metabolism A cell has small molecules that are denoted as micromolecules also large molecules that is denoted as macromolecules. The chemical equations of a liv
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