A total of 1.4* *moles of sodium
nitrate is dissolved in enough water to make
2.0
liters of
an aqueous solution. The gram-formula mass of sodium
nitrate is 85 grams per mole.

56 ·Write the chemical formula for the
solute in the solution. [1]

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NaNO_{3}
(Na is +1 and NO_{3} is -1) |

57 Show a numerical setup for
calculating the mass of the solute used to make the
solution. [1]

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1.4moles x 85g/mol
or 1.4= x /85 |

58 Compare the boiling point of the
solution at standard pressure to the boiling point of H_{2}O
at standard pressure. [1]

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the boiling point of the solution is higher than
that of the water
or water boils at a lower temperature |

59 Determine the molarity of the
solution. [I]