How to calculate the ph of a titration solution
Calculate the pH of a titration solution after 45 mL 0.01 M NaOH has been added to 50 mL of 0.01 M HNO2? Kafor HNO2 is 4.5 x 10-4.
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How can Estimate the heating value of the coal if the ultimate analysis of coal for dry ash-free basis, in percent by mass, is as follows:
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