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Slav-nsk [51]
3 years ago
11

What mass of lead (density 11.4 g/cm3) would have an identical volume to 28.5 g of mercury (density 13.6 g/cm3)?

Chemistry
1 answer:
kipiarov [429]3 years ago
6 0

The density of a material is its unique property which is different for different substances. The volume or mass of a compound can be determined from the other given mass of a compound, if the density of both the material is available. We know density of a material is equal to the mass per unit volume. From the given data 13.6 g of mercury has 1 cm³ volume. Thus 28.5g of mercury will have \frac{28.5}{13.6}=2.095 cm³ volume. Now as per the given density value of lead 11.4g of lead has 1 cm³ volume. Thus 2.095 cm³ volume of lead has (2.095×11.4)=23.889g.

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3Mg(s) +2P(s) -------> Mg3P2(s) + energy

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The equilibrium expression for the reaction K(eq) will be given by;

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