21. What is the percent concentration if 25g of orange powder is dissolved in a 125g solution? a. 20 % b. 80% c. 100% d. 120%

22. When does a solution reach its saturation point? a. When the solute stops dissolving. b. When the solute seems to disappear. c. When the solute continues to dissolve d. When more solute can be added to the solution

23. Which of the following steps in scientific investigation requires asking question? a. gathering data b. Identifying Problem c. Forming Hypothesis d. Making Observations​