Answer to Question #169357 in General Chemistry for chris garcia

Question

The density of balsa wood is 0.120 g/cm3.  If you have a piece of wood that measures 2.00 m long, 1.50 mm wide and 3.00 cm high, what is its mass (in grams, rounded to the correct number of significant figures)?

Answer 1

Volume of wood = 200 cm × 0.15 cm × 3 cm .

Volume of wood = 90 cm³ .

Mass of wood = ( 90 × 0.120 ) g = 10.8 g Ans.