Asked by Joel

a density bottle weighs 0.25N when empty,and 0.75N when filled with water and 0.65N when filled with alcohol.
(i)Find the volume of the empty bottle
(i) The density of the alchohol. Density of water =1000kg/m
Acceleration due to gravity= 10ms
Answered by R_scott
(i) weight of water ... 0.75 N - 0.25 N = 0.50 N

mass of water = weight of water / g = 0.50 N / 10 = 0.05 kg = 50 g

volume of water is ... 1 cm^3 per g


(ii) alcohol density = water density * [(0.65 - 0.25) / (0.75 - 0.25)]
Answered by Farida
It was not well understood
Answered by Sandra
I don't get it.
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