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

What is the product? (91-4)(-91-4) 0 -8112-16 0 -8162 +16 0 -8112-721 +16 0 -8162 +72+ +16

in what ways did the US economy improve because of WWII?

-5 < 2 how can i determine if it’s a true or false inequality

-/1 points | MCKEALG9 2.5.001. of a rectangular lot if the width w is 55 feet and the perimeter P is 290 feet. Use the formula P = 21 + 2w to find the length 1

Point R divides in the ratio 1 : 3. If the x-coordinate of R is -1 and the x-coordinate of P is -3, what is the x-coordinate of Q? A. B. 3 C. 5 D. 6 E. -9

Does France have a large, average, or small population?

Can anyone help me answer this question (find x)? (15 points)

A pizzeria charged 12 per pizza plus an addition $3.00 for delivery which equation represents the cost of having any number of pizza delivered

What happens when an author doesn’t cite his or her sources

What needs to be true of data used in consolidation