Answer to Question #253294 in General Chemistry for Tahir

Question

Calculate the molar concentration of solute in the following:

1. 7.59g of NH₃ in 1.500L solution.
2. 0.291g of H₂SO₄ in 8.65L solution.
3. 85.2g of NaOH in 5.00L solution.
4. 31.25g of NaCl in 2.00L solution.
5. 6mg of atmospheric N₂ in water with volume of 2.00L.

Using the appropriate gas laws, calculate the quantities denoted by the blanks below.

Conditions before Conditions after

n₁, mol V₁, L P₁, atm T₁, K n₂, mol V₂, L P₂, atm T₂, K

1.25 13.2 1.27 298 1.25 (a)___ 0.987 298

1.25 13.2 1.27 298 1.25 (b)___ 1.27 407

1.25 13.2 1.27 298 4.00 (c)___ 1.27 298

1.25 13.2 1.27 298 1.36 (d)___ 1.06 372

1.25 13.2 1.27 298 1.25 30.5 (e)___ 298

Answer 1

1.25 13.2 1.27 298 1.25 (a)___ 0.987 298