When of a certain molecular compound x are dissolved in of dibenzyl ether , the freezing point of the solution is measured to be . calculate the molar mass of x. if you need any additional information on dibenzyl ether, use only what you find in the aleks data resource. also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits.

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

What is the oxidation state of an individual bromine atom in nabro3?

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas