Here is the answer for the question – What mass, in grams, of NaCl needs to be added to 1.6 kg of water in order to create a solution with a freezing point of -5.6 °C? The freezing point depression constant of water is 1.86 ºC/m.. You’ll find the correct answer below
What mass, in grams, of NaCl needs to be added to 1.6 kg of water in order to create a solution with a freezing point of -5.6 °C? The freezing point depression constant of water is 1.86 ºC/m.
The Correct Answer is
140m=-(−5.6)∘C/ 1.86∘C/m×2Multiply the molality by the number of kilograms of solvent to obtain the number of moles of NaCl, then multiply by the molar mass to obtain the answer in grams.m∗1.6kg∗58.44g
Reason Explained
140m=-(−5.6)∘C/ 1.86∘C/m×2Multiply the molality by the number of kilograms of solvent to obtain the number of moles of NaCl, then multiply by the molar mass to obtain the answer in grams.m∗1.6kg∗58.44g is correct for What mass, in grams, of NaCl needs to be added to 1.6 kg of water in order to create a solution with a freezing point of -5.6 °C? The freezing point depression constant of water is 1.86 ºC/m.
