How does acid (vinegar) react with a metal (paperclip)

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Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .