Question

If the density of a solution is 3.12 g mL-1, the mass of 1.5 ml solution in significant figures

Answer 1

Answer: 4.7g is the answer

Explanation:

DENSITY=MASS/VOLUME

==>MASS=DENSITY×VOLUME=3.12×1.5=4.68g

but in significant figures answer should be 4.7g (upto two significant figures).

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