The mass of 5 𝑙𝑖𝑡𝑟𝑒 of water is 5 𝑘𝑔. Find the density of water in gcm−3 .
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Solution
Given,
Volume of water, V=5litre=5000cm3
(Since 1litre=1000cm3 )
And mass of the water, 𝑚 = 5 𝑘𝑔 = 5000 𝑔
(Since 1 𝑘𝑔 = 1000 𝑔)
Using formula of density, Density(d)=mass(m)volume(V) Density(d)=5000g5000cm3=1gcm−3
Hence, density(d)=1gcm−3