Chemistry, 06.12.2019 07:31 dquezada21
What characteristic shared between chlorine, fluorine, and bromine makes them have similar properties?
a. all have seven valence electrons.
b. all have the same number of protons in their outermost energy levels.
c. all have two electrons in their first energy levels.
d. all have a similar state of matter.
Answers: 3
Chemistry, 22.06.2019 02:40
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Chemistry, 22.06.2019 07:20
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Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9ร10โ3 , =6.2ร10โ8 , and =4.8ร10โ13 ). to find the ph of a buffer composed of h2poโ4(aq) and hpo2โ4(aq) , which p value should be used in the hendersonโhasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
What characteristic shared between chlorine, fluorine, and bromine makes them have similar propertie...
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