A potassium bromide solution is 7.55 % potassium bromide by mass, and its density is 1.03 g/mL.

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A potassium bromide solution is 7.55 % potassium bromide by mass, and its density is 1.03 g/mL. What mass of potassium bromide is contained in 35.8 mL of the solution?

a) 2.78 g 

b) 2.70 g

c) 4.88 g 

d) 2.62 g

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