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Q27: The combustion of propane (C<sub>3</sub>H<sub>8</sub>)produces CO<sub>2</sub> and
Q45: The formula weight of ammonium sulfate ((NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>),rounded
Q104: Jean is a shareholder in Parrot Corporation,a
Q110: Cannot be a shareholder in another corporation.
Q147: The combustion of carbon disulfide in the
Q151: 0.400 g of solid NaCl is added
Q153: The formula weight of potassium dichromate (K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)is
Q155: There are _ electrons,_ protons,and _ neutrons
Q158: An atom of <sup>118</sup>Xe contains _ neutrons.<br>A)54<br>B)172<br>C)64<br>D)110<br>E)118
Q221: What is the molecular formula for butane?<br>A)C<sub>2</sub>H<sub>8</sub><br>B)C<sub>3</sub>H<sub>6</sub><br>C)C<sub>3</sub>H<sub>8</sub><br>D)C<sub>4</sub>H<sub>8</sub><br>E)C<sub>4</sub>H<sub>10</sub>