Question 1You are asked to prepare 50 mL of a 2 g/L solution of CaCl2 you...

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Answer 1

Answer #1

V = 50 ml

C = 2 g/L CaCl2

Stock

C = 140

Apply dilution law

C1*V1 = C2*V2

140*V1 = 2*50

V1 = 0.714 ml of stock solution is needed

2)

C = 340

V = 7 ml

VT = 1000

c2 = ?

Apply same dilution law

C1*V1 = C2*V2

7*340 = 1000*C2

C2 = 2.38 g/ml

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Answer 2

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Question 1You are asked to prepare 50 mL of a 2 g/L solution of CaCl2 you...

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