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

14-12-2017

Answer: (0 - (-1.60)) Â°C / (1.86 Â°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

How is a franchise “an almost independent” business?

why is namibia one of the most sparsely populated countries in africa?

F(x)=-x^2+8x+9 What is the vertex and it the vertex the minimum or maximum??

For a given reaction, adding a catalyst increases the rate of the reaction by (1) providing an alternate reaction pathway that has a higher activation energy (2

In any redox reaction, the substance that undergoes reduction will (1) lose electrons and have a decrease in oxidation number (2) lose electrons and have an inc

Which solution when mixed with a drop of bromthymol blue will cause the indicator to change from blue to yellow? (1) 0.1 M HCl (3) 0.1 M CH3OH (2) 0.1 M NH3 (4)

What are the functions of spirogyra?

Which compound has hydrogen bonding between its molecules? (1) CH4 (3) KH (2) CaH2 (4) NH3

Solve for R. K=ar/p Answer choices: R=ka/p R=kap R=kp/a R=a/kp

Troy can order a large or small snow cone there are 15 flavors and two toppings from which to choose how many ways can Troy order a snow cone