Which of the following statements about aqueous copper (ll) sulfate is false?
A)It boils over a range of temperatures.
B)It has a homogeneous appearance.
C) It is formed by reacting copper with dilute
sulfuric acid.
D) It is able to conduct electricity.
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1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work