A solution contains 71.8 grams of an unknown nonelectrolyte dissolved in 250.0 grams of water. The resulting solution has a freezing point of -1.68 degrees Celsius. What is the molar mass of the unknown solute? Kf of water = 1.85oC/m

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

How much carbon is stored in the atmosphere as co2

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium