Oxygen, helium, and propane are examples of a

How many grams of sodium chloride are in 250ml of a 2.5m naci solution

Find the midpoint of a segment with endpoints of 4-3i and -2+7i

Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.