General Chemistry Answers

a solution of glycerol c3h5 (OH)3 in 735 g of water has a boiling point of 104.4 degree celsius at a pressure of 760 mm Hg. what is the mass of glycerol in the solution? what is yhe mole fraction of the solute?

what is the boiling point of a solution composed of 15.0 g of CHCI3 and 0.515g of the nonvolatile solute acenaphthene c12h10 a component of coal tar ?

Which contains more solute, 3.0L of 0.5M KCl or 2.0 of 0.75M KCl solution?

verify that 0.200 mol. of a nonvolatile solute in 125 g of benzene produces a solution whose boiling point is 84.2 degree Celsius

Which element will have 5 electrons in it's Lewis dot symbol

Which volume of distilled water do 27.1 g of barium chloride need to be dissolved in to achieve a concentration of 0.100 mol/L of barium chloride?

Calculate the boiling point of a solution containing 3.5 g sugar (molar mass = 342 g)

dissolved in 150 g of water. Kb for water is 0.52 oC/m.

Which of the following are possible and which are impossible according to quantum mechanics?

1. 2d

2. 4f

3. 8s

4. 7g

5. 5h

Ammonia gas (NH₃) combines with oxygen gas yield nitrogen monoxide gas and water vapor.

1. Phosphoric acid can be prepared from phosphorus triiodide according to the reaction:

    Pl₃ (s)  +  H₂O(l) -----------> H₃PO₃(aq) + HI(g)

If 150 g of PI₃ (MM = 411.7 g/mol) is added to 250 mL OF H2O (g/mol), d = 1.00 g/mL), Identify which will be limiting and excess reagents. How many grams of H₃PO₄ (MM = 97.99 g/mol) will be produced theoretically?