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Metal + Acid --> Metal salt + H2 (g)E.g. Cu + HCl --> CuCl2 + H2
Answer= 0.144gWorking out:mol= conc x volume (in dm^3)mass = mol x RFFSo,mol = 0.18 x (20/1000) = 0.0036molMass= 0.036 x 40 = 0.144g
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Osmosis is the movement of water across a semi-permeable membrane
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