AS Chemistry
Read our general notes on Risk Assessment
We are doing our planning exam next week and need to know how do you test if a sulphuric acid is diprotic/dibasic acid by titration and collection of gas?
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I'm afraid I cannot tell you how to do this if you are proposing to use the answer as part of an examination assessment - to do so would be to perpetrate a fraud! If you had asked me this question as your teacher, I would be prepared to give you a hint to get you started, so that is what I will do.
You know that HCl is monoprotic. Write balanced equations for the following four reactions:
HCl with NaOH
H2SO4 with NaOH
HCl with NaHCO3
H2SO4 with NaHCO3
I think you should now be able to see how to proceed.
Risk assessment
Before attempting any practical work based on the advice and suggestions on this website, you must do the following. Identify any hazards, assess the risks from these hazards, and then decide appropriate control measures to reduce the risks. You must have these approved by those in authority in your school or college laboratory. Do not rely on what is said on this website.
For further guidance see our tutorial on Risk Assessment.
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updated: 28 March 2008
