Choose the correct answer 1

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Choose the correct answer

1. Calculate the molar concentration of 3.60 L PbCl₂ if you need to make 25.0 L of 0.8 M PbCl₂

a. 2.22

b. 3.33

c. 4.44

d. 5.55

 

2. Calculate the molar concentration of Fe(NO₃)₃ (241.86 g/mol) in a solution that has a density of 1.059 g/ml is 6.42% (w/w)

 

a. 0.963

b. 0.281

c. 0.147

d. 0.358