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Avogrado's constant = 6.02214086 × 1023 mol-1 2.5/6.02=0.415 Ar of N = 14 Mr of N2 = 28 28 x 0.415=11.62
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An atoms is composed of a central NUCLEUS, with ELECTRONS occupying shells, moving around the nucleus.
The nucleus is composed of PROTONS and NEUTRONS.
The PROTON...
Answer First a wire loop is cleaned with diluted hydrochloric acid, which is then dipped into the sample metal or solution. This is then held over an open flame and the colour emitted is ...
The moles is the amount of a substance that we are measuring, its like measuring how many coins I have in my pocket, but instead how many atoms of an element we have. We use the equation moles=mass/RMM t...
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