Question #197673

Calculate the solubility of kcl in g/dm³ if 5gram of the salt was dissolved in 50cm³ of water at 40 degree celius

Expert's answer

Using the information provided and the conversion between cm^{3} and dm^{3} ("1\\,dm^3= 1000\\,cm^3") we calculate the solubility as:

"S = \\frac{m}{V} = \\frac{5\\,g\\,KCl}{50\\,\\cancel{cm^3}}*\\frac{1000\\,\\cancel{cm^3}}{1\\,dm^3}"

"S = \\frac{5000\\,g\\,KCl}{50\\,dm^3}= \\frac{100\\,g\\,KCl}{dm^3}"

At last, we find that the solubility of KCl at 40 °C is 100 g/dm^{3}

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