dariusardelean2029 dariusardelean2029
  • 02-12-2017
  • Chemistry
contestada

Calculate the molar mass of an unknown if a solution containing 3.56 g of unknown in 56.2 g of water froze at –1.60c

Respuesta :

Kalahira
Kalahira Kalahira
  • 14-12-2017
Answer: (0 - (-1.60)) °C / (1.86 °C/m) = 0.860215 m (0.860215 mol/kg) x (0.0562 kg) = 0.048344 mol (3.56 g) / (0.048344 mol) = 73.6 g/mol
Answer Link

Otras preguntas

Is 42° correct?? Please help
Who is Pecos Bill's wife? A. Rio Grande B. Slue-Foot Sue C. Widow-Maker D. Mrs. Bill
When part of a rock record is destroyed the erosional gap that forms is called?
Describe what causes the flow of electric current.
What are some possible causes of succession in ecosystems?
Where dose the first stage of cellular respiration, glycolysis, occur?
Read the line of poetry: Through brush and bush and bramble . . . This line is an example of what term? A. personification B. imagery C. allitera
In the figure below, m ROP = 125°. Find the measure of each arc. For each arc, write two or more complete sentences explaining which theorem or postulate you
What is the quotient (2x3 − 15x2 − 10x + 16) ÷ (x − 8)?
The Civil War inspired a number of enslaved people to