Karolina

The normal freeing point of cyclohexane if 6.6 degrees Celsius. A 0.2g sample of an unknown solute is dissolved in 50 ml of cyclohexane (d-0.8g/ml, Kf=20 degreesCelsius/m. If the freezing point of the solution is 3.6 degrees Celsius, what is the molar mas...

Is 3/4 bigger than 12/56?

2 1/2 divided by x. first multiply both sides by X, and you'll get 2.5= 5x , than divide both sides by 5 to get x alone on one side, and you'll get x=.5. 2.5 times x = 5 again, divide both sides by 2.5 to get x alone on one side. x = 2

what grams do i use to solve for "moles = grams/molar mass?

Is 3/8 bigger than 4/9.

Yes because when you cross multiply 8x4=32 and 3x9=27. So that means 32 is bigger and the denominator on the bottom is part of the fraction 3/8.

I still don't understand?