How will the freezing point and boiling point of a liquid be affected if you add a solute such as sugar or salt to it? What will happen and why? Compare the effects of adding 5 ml, 25 ml, and 50 ml of solute.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.