you are carrying out the following reaction: o2 2h2 −−> 2h2o you start with 6.0 moles of oxygen and 4.0 moles of hydrogen. ho
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Explanation:
Given that,
Mass of metal cube, m = 20 g
Volume of cube, V =5 mL
We need to find the density of the cube. Mass per unit volume equals density.
So, the density of the cube is 4 g/ml.
We know that the density of Aluminium is 4 g/mL.
So, the cube is not Aluminium cube.