The solid zinc carbonate was added to warm dilute sulphuric acid in a beaker in excess. How do you know when there is no longer any unreacted acid
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Expert's answer
2017-09-14T02:41:06-0400
ZnCO₃+H₂SO₄+CO₂+H₂O The reaction is followed by allocation of gas pixellogo After cessation of evolution of gas can be assumed that the unreacted acid is not remained
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