Acetone (nail polish remover) has a density of 0.7857 g/cm3. What is the mass, in grams, of 28.58mL of acetone?
1 answer:
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Answer:
-4.41
Step-by-step explanation:
208° is a 3rd-quadrant angle, so its x-coordinate will be negative. Your calculator can tell you that 5 times the cosine of this angle is -4.41, or you can refer to a diagram.
