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Course Activity: Purifying Water
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Part A
Compare the appearance of the water in the pot with that of the water in the plastic bowl. What do you
notice? Next, taste the water in the plastic bowl. Compare the taste with the sample of water you tasted
earlier from the pot. Does the water taste similar or different? Explain.
A Do not taste boiling or hot water; you may burn yourself.
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c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.