Barium chloride crystals contain 14.8% water of crystallization. find the number of molecules of water of crystallization per mole
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BaCl2. n H2O
Ba atomic mass=137
Cl atomic mass=35.5
molecular mass of water = 18
14.8% water means
14.8g of water in 100 g of BaCl2. n H2O
n x18 g water will be there in [137+71+n(18)]g of BaCl2. n H2O
1800xn = 14.8[208+n18]
1800n-266.4n=3078.4
1533.6n =3078.4
n= 2.0073
we can take n=2
Ba atomic mass=137
Cl atomic mass=35.5
molecular mass of water = 18
14.8% water means
14.8g of water in 100 g of BaCl2. n H2O
n x18 g water will be there in [137+71+n(18)]g of BaCl2. n H2O
1800xn = 14.8[208+n18]
1800n-266.4n=3078.4
1533.6n =3078.4
n= 2.0073
we can take n=2
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