buffer.., Chemistry

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Why is it important to know pka of a buffer

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Chemical kinetics, I have the following reactions (1)NaOH+CO2+M=NaHCO3+M, K...

I have the following reactions (1)NaOH+CO2+M=NaHCO3+M, K1 (2)NaHCO3+H=Na+H2CO3, K2 (3)2NaHCO3+M=(NaHCO3)2+M, K3 ki''s are the rate constants. Suppose NaHCO3 is a dominating constit

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what is the colour of the residue for nickel in charcoal cavity test

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Which of the following electronic configuration is not possible: (1)  1s 2 2s 2                           (2)  1s 2 2s 2   2p6                   (3) [Ar]3d 10 4s 2 4

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