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Question: If the density of a solution is \(3.12gML^{- 1}\), the mass of \(1.5mL\)solution in significant figu...

If the density of a solution is 3.12gML−13.12gML^{- 1}, the mass of 1.5mL1.5mLsolution in significant figures is _____.

A

4.7g4.7g

B

4680×10−3g4680 \times 10^{- 3}g

C

4.680g4.680g

D

46.80g46.80g

Answer

4.7g4.7g

Explanation

Solution

: Density = MassVolume\frac{Mass}{Volume}

∴\thereforeMass =Density × Volume

=3.12gmL−1×1.5mL=4.68g=4.7g= 3.12gmL^{- 1} \times 1.5mL = 4.68g = 4.7g