Answer to Question 5

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a.       Mass of the paint = 6.50 0.22 = 6.28 kg

b.      Volume = pD2 h/4 = (p 0.152 0.113) 4 = 2.00 10-3 m3

c.       Density = 6.28 2.00 10-3  = 3144 = 3100 kg m-3