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Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm