A saturated solution of ammonium sulfate, (NH4)2SO4, in water at 30 0C contains 78.0 g (NH4)2SO4 per 100.0 g H2O. What is the molality of this solution?

  1. 👍
  2. 👎
  3. 👁
  1. Molality = #mols/kg solvent
    mols = g/molar mass

    mols (NH4)2SO4 = 78.0g x (1 mol/molar mass) = ??
    100.0 g H2O = 0.100 kg.
    Plug and chug.
    Post your work if you get stuck.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    Rank the following fertilizers in decreasing order of mass percentage of nitrogen: NH3 NH4NO3 (NH4)2HPO4 KNO3 (NH4)H2PO4 (NH4)2SO4

  2. Inorganic Chemistry

    What will happen if we add Mg powder to a (NH4)2SO4(aq) solution? What would be the products?

  3. Chem

    Which solvent, water or hexane (C6H14), would you choose to dissolve each of the following? 1. NaCl 2. HF 3. Octane 4. (NH4)2SO4

  4. chem

    When used correctly, the volumetric flasks in the first year chemistry laboratory will produce a solution volume of 250.00 ± 0.12 mL. Calculate the concentration of the resulting solution at the three volumes below, if 6.14 g of

  1. chemistry

    the question reads: a) balance the equation: H3PO4 + Ca(OH)2 --> Ca3(PO4)2 + H2O b)what mass of each product results if 750 mL of 6.00 M H3PO4 reacts according to the equation? i balanced it with: 2H3PO4 + 3Ca(OH)2 --> Ca3(PO4)2 +

  2. Chemistry

    How many moles of ammonium sulfate can be made from the reaction of 30.0 mol of NH3 with H2SO4 according to the following equation? 2NH3  H2SO4 ¨ (NH4)2SO4

  3. CHM

    In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present? 4

  4. chemistry

    how can i Specify what ions are present in solution upon dissolving each of the following substances in water: ZnCl2, HNO3, (NH4)2SO4,Ca(OH)2

  1. Chemistry

    A chemist needs to prepare a buffer solution of pH 8.80. What molarity of NH3 (pKb = 4.75) is required to produce the buffer solution if the (NH4)2SO4 in the solution is 1.8 M?

  2. chemistry

    Ammonium sulfate can be made by the reaction H2SO4 + 2 NH3 ® (NH4)2SO4. What quantity of ammonium sulfate will result from the reaction of 5.00 kg of ammonia and 20.0 kg of sulfuric acid?

  3. Chemistry

    Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution. While we're at it... How many milliliters of 10.6 M HCl solution are needed to obtain 0.205 mol of HCl? Also...

  4. chem!!!!!!

    How many atoms of each type are represented in each of the following? f. 5Fe(No3)2 g. 4Mg3(PO4)2 h. 2(NH4)2SO4

You can view more similar questions or ask a new question.