Question

Question # 9 (9 pt) In the lab you performed to determine the % of salt in a mixture of salt and sand. a. Which part of the procedure was performed with the aim of separating the salt from b. Which part of the procedure was performed with the aim of collecting all of the salt c. Which part of the procedure was performed with the aim of finally getting a measure nothing but the salt? of salt and Choose from the following: A. Weighing a beaker C. Adding the water to the mixture of salt and sand D. Heating the solution to dryness E. Rinsing the sand with water and adding to decanted liquid to the decanted solution F. Heating the solution to dryness B. Heating the wet sand to dryness G. Decanting the solution Extra Credit (10 pts) Refer to Question (3a) for your balanced equation: Note the Following atomic weights: Са 40.08 O 16.00 C 12.01 Na 22.99 CI 35.45 If CaClz is reacted with excess Na,CO, and 3,75 g of the insoluble product is formed, what would you determine to be the original mass of CaCl2 in the reaction? Show work: CaCNazCo3

Answer 1

34S oludc 100:03 3 le knoo thet in loc reacts uoith 40 ca Hence-actual maps-L