Calculate quantity of water to be added for casting cubes in laboratory by 12.5 kg cement if w/c ratio 0.45. 

1 Answer

Answer :

As w/c = (weight of water / weight of cement)

 w/c = (Ww / Wc)

 0.45 = (Ww / 12.5)

 Ww = (0.45x12.5)

 Ww = 5.625 kg or 5.625 Litres

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