Artículos de esta sección

• Relationship between molarity and normality (8380)

  27 de enero de 2025 , por F_y_Q

  Calculate the normality of the following solutions: a) (2 M) b) (0.4 M) c) (3 M) d) (1 M) e) (2 M)

• Molarity from % (m/V) concentration (8303)

  8 de septiembre de 2024 , por F_y_Q

  Calculate the molarity of a sulfurous acid solution whose concentration is (m/V).

• Molar fraction and molality of a solution (8298)

  3 de septiembre de 2024 , por F_y_Q

  A solution contains by mass of HCl:

  a) Calculate the molar fraction of HCl.

  b) Calculate the molality of HCl in the solution.

• Raoult’s law and vapor pressure (8282)

  9 de agosto de 2024 , por F_y_Q

  Calculate the vapor pressure at of a solution containing 150 grams of glucose dissolved in 140 grams of ethyl alcohol. The vapor pressure of ethyl alcohol at is 43 mm Hg.

• Mass of a volume of ethanol, expressed by pounds (4883)

  3 de enero de 2019 , por F_y_Q

  The density of ethanol is 0.79 g/mL. Calculate the mass, expressed in pounds, of 17.4 mL of ethanol, knowing that one pound is equal to 0.45 kg. Express the result using scientific notation.