during an investigation, a student used a stirring rod to stir a solid precipitate that was drying, prior to being weighed. Explain to the students how this might affect the actual yield of th reaction.

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature