Marco designs an experiment that will test whether a new plant food makes a grape vine produce more grapes. What is the independent variable in his experiment?

Consider this reaction. CaF2 (s) ↔ Ca2 + (aq) + 2F - (aq) What is the Ksp of the solution?

Which of the following elements will tend to form a cation? A. Oxygen B. Nitrogen C. Sulfur D. Lead E. All of the Above

Explain why solution of silver nitrate and solution of sodium chloride is not reversible?

What color is a mirror and can blind people see dreams

At which temperature will the least amount of time pass before someone detects the odor of a fragrant flower?

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF. Calculate the normality of the HF solution.