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concntraion of calium hydroxide
Member rating: No Rating | Words: 995 | Submitted: Tue Dec 04 2007
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To determine the concentration of a calcium hydroxide solution Aim: Our aim is to use a standard solution of hydrochloric acid to find the concentration of limewater (Calcium hydroxide). Indicator: Choosing a suitable indicator is important, I had to be extremely careful with this, I have chosen to use the indicator methyl orange. The limewater used will be a relatively weak base so it will be appropriate for using methyl orange and the acid that I am using is strong. Safety notes: * Safety goggles must be worn at all times whilst carrying out this experiment. Hydrochloric acid: * Contact with the eyes or skin can cause serious permanent damage. When in contact with the eyes immediately rinse the eye with plenty of water and call for medical help. * If in contact with skin rinse thoroughly and if redness on skin occurs call for medical help. Calcium hydroxide: * Powder may irritate the eyes. So if contact...
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