erfan
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Everything posted by erfan
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ohhhh god,,ok just forget my question.. i hate chemistry and im not interested in learning it. and really u don't wanna help me,,U r just judging me.. tnx.bye
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If I was sure about my knowledges I would never ask about help..
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to analyse the ethanoic acid present in vinegar,i used potassium hydrogen phthalate to standardise the sodium hydroxide (my secondary standard ) why the primary standard in this practical is not suitable for standardising a solution of ammonia ?
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why secondary standard solution are used for standardisation ?
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to analyse the ethanoic acid present in vinegar,i used potassium hydrogen phthalate to standardise the sodium hydroxide (my secondary standard ) why the primary standard in this practical is not suitable for standardising a solution of ammonia ?