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

Why do people close to death call for hooper while everyone else hides from him?
HIIIII what is your motto? Just curious
We stood awhile, marveling at America, both of us trying hard to feel luckier than we felt, both of us pointing out the beach pails, the shovels, the sand castl
What type of bond occurs between atoms having nearly equal attraction for the electrons?
Explain how the design and decoration of gothic cathedrals reinforced christian beliefs and practices.
What has become of many of the Palestinians who became refugees in 1948? Many still live in refugee camps Most have become Israeli citizens They have been give
Emergency kits should include nonessential items like games, stuffed animals, and books. TRUE OR FALSE
The price of an item has been reduced by 55%. The original price was $31
Which one of the following is a difference between a normal cell and a cancer cell?
help me out with this problem