0.5 g of salt is dissolved in 25 g of water. Calculate the percentage amount of salt in the solution.

Given that Kw for water is 2.4*10-14 M2 at 37 °C, calculate the pH of a neutral aqueous solution at 37 °C, which is the normal human body temperature. pH = Is a pH=7.00 solution acidic, basic, or neutral at 37 °C? neutral basic acidic

What is the chemical formula for perchloric acid

How would you solve this? "Calculate the amount of energy transferred if only 650.50 grams of sulfur trioxide (SO3) gas were produced. (Remember the ∆H = - 396.

Graph the lines y = 3x, y = 3x - 3, and y = 3x + 3. What do you notice about the lines? Make a conjecture based on your observation. It says chemistry but it's really math.

The unit of measurement "mal" describes what property of a substance?

Label the molecular shape around each of the central atoms in the amino acid glycine. hint

Which has more atoms, 2moles of carbon or 2 moles of aluminum

At 100 degrees c, water reacts with acetic anhydride to make acetic acid. also, at 100 degrees c, water reacts with acetylsalicylic acid and reverts it to salicylic acid and acetic acid.

What is the valence electron configuration of the group 2a elements?

Which of the following statements about monosaccharide structure is true? A) Aldoses and ketoses differ in the position of their hydroxyl groups. B) Monosaccharides can be classified according to the spatial arrangement of their atoms.