Please help with Question 2 (a) QUESTION2STOICHIOMETRIC CALCULATIONS AND GRAVIMETRIC TITRMETRY(a) A 3rd.BaCl2-2H20. Sometime later he discovered a label at the back of the bottle with this reagent stating that this salt is contaminated with 5.53 % (w/w)Ca(NO3)2.What was the real salt concentration prepared by the student?year class student from SMU was to prepare 500.0 mL of 0.0750 M BaCl2 solution. He used for this purpose 9.2016 g of a reagent(b) Mechanism of precipitation: Name two competing processes under this topic.(c) (1) Define the acronym RSS as used in precipitation stand for?(ii) Mention two ways on how it can be minimised?(d) Consider a 1.0000 g sample containing 75% potassium sulfate and 25%MSO4. The sample is dissolved and the sulfate is precipitated as BaSO4). Ifthe BaSO4 precipitate weighs 1.4900, what is the atomic weight of M2+in MSO4?

moles = molar concentration * volume in L Volume of BaCl2 solution = 500.0ml = 0.5L Concentration…

(a) A 3rd BaCl2-2H20. Sometime later he discovered a label at the back of the bottle with this reagent stating that this salt is contaminated with 5.53 % (w/w) Ca(NO3)2.What was the real salt concentration prepared by the student? year class student from SMU was to prepare 500.0 mL of 0.0750 M BaCl2 solution. He used for this purpose 9.2016 g of a reagent

(a) A 3rd BaCl2-2H20. Sometime later he discovered a label at the back of the bottle with this reagent stating that this salt is contaminated with 5.53 % (w/w) Ca(NO3)2.What was the real salt concentration prepared by the student? year class student from SMU was to prepare 500.0 mL of 0.0750 M BaCl2 solution. He used for this purpose 9.2016 g of a reagent

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter9: Complexometric And Precipitation Titrations

Section: Chapter Questions

Problem 15P

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