Chemistry, 19.08.2019 15:30 jenifferplowman
What is the total number of oxygen atoms in the formula mgso4•7h2o? [the • represents seven units of h2o attached to one unit of mgso4.]
(1) 11 (3) 5
(2) 7 (4) 4
Answers: 1
Chemistry, 22.06.2019 07:00
At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure
Answers: 2
What is the total number of oxygen atoms in the formula mgso4•7h2o? [the • represents seven units o...
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