Question: ( a ) A 1 . 3 5 kg brick consists of 8 5 % sand ( S i O 2 ) and 1 5

(a) A 1.35 kg brick consists of 85% sand (SiO2) and 15% sodium metasilicate (Na2SiO3.9H2O). Sodium metasilicate is known to lose 6H2O at 100C. What will be the mass of the brick after heating at a temperature slightly above 100C?
( a ) A 1 . 3 5 kg brick consists of 8 5 % sand (

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