What mass of sodium chloride must be dissolved

Assignment Help Chemistry

Reference no: EM13119494

What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m. Assume the van't Hoff factor for NaCl is 1.87.

Reference no: EM13119494

Questions Cloud

Illustrate what is the difference in maximum stored energy : The spring constant for the tendon is the same for both groups, 33 N/mm. Illustrate what is the difference in maximum stored energy between the sprinters and the nonathletes?

Identical age-specific schedules of birth and death rates : Two populations of elk have exactly the same total population sizes and identical age-specific schedules of birth and death rates, and yet these two populations are currently growing at different rates. How can this be?

Cost due to inflation : Use S= C(1+r/100)^5 to find the inflated cost S, in 5 years, of an item, good or service, where C= (17,908.02 KRW) is the current price of that item in that country's currency

Students of selected students are majoring in finance : 30% of the college of business students major in finance. A random sample of 20 students is selected. What is the probability that no more than 3 students of the selected students are majoring in finance?

What mass of sodium chloride must be dissolved : What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m.

Illustrate what is the potential energy for the child : Illustrate what is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? How much work does the tension in the ropes do as the child swings from the initial position to the bottom?

Backpacks problem : Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen

Determine whether a bacterium fermented : How could you determine whether a bacterium fermented the following carbohydrate: mannitol, sorbitol, adonitol, or arabinose?

Find out the direction of the dog resultant displacement : Use graphical techniques to find out the direction of the dog’s resultant displacement vector. Give the direction of the resultant displacement in degrees (out of 360).

User Account

All Pages