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Diazomethane has the following composition by mass: 28.57% c ,4.80% h and 66.64% n . The molar mass of diazometane is 42.04 g/mol. Find the molecular formula of diazomethane and dr
Nitrogenous base: These are heterocyclic organic compound that comprise two or more nitrogen atoms in ring skeleton. These are called bases as the lone pairs of electrons on th
how many forms are there in crystal system
if the eluting solvent was chnaged would Rf value for each metal ion will chang
what are the applications of coulumetry ?
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
The gas stream from a sulfur burner is composed of 15-mol% SO 2 , 20-mol% O 2 , and 65-mol% N 2 . This gas stream at 1 bar and 680°C enters a catalytic converter, where the SO 2
Explain trend in variation of the atomic size properties from Boron and Thallium
what/s this test
The number of quantum numbers required to describe an electron in an atom completely is: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
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