Swanton Swanton

13-09-2018
Chemistry

contestada

What is the molality of a solution containing 8.0 grams of solute in 0.50 kg of solvent? (molar mass of solute = 24 g)

Respuesta :

14-09-2018

The molal concentration of the solution is 0.67 mol/kg.

The formula for molal concentration (b) is

b = moles of solute/kilograms of solvent.

Moles of solute = 8.0 g × (1 mol/24 g) = 0.333 mol

b = 0.333 mol/0.50 kg = 0.67 mol/kg

Answer Link

Otras preguntas

how do i put this in slope-intercept form. passes through 2,-2 and 4,-1

If a family has one child enrolled in Diane's Day Care Center, it costs $75 per week. If a family has two children enrolled at Diane's, it costs $135. Diane's i

Select the best statement. Resource partitioning would be most likely to occur between A) sympatric populations of a predator and its prey. B. sympatric popula

Tribal courts are prohibited from O A) prosecuting non-Native Americans for crimes committed on a reservation O B) sentencing convicted criminals for longer tha

Does the point (2 3 , 2) lie on the circle that is centered at the origin and contains the point (0, -4)? Why?

6. What is the main function of the green pigments (chlorophyll a & b)?

Tornadoes are rotating, funnel-shaped clouds that often appear with little to no warning. Wind speeds in a tornado can reach up to 300 miles per hour, and damag

What is meant by a progressive tax? A regressive tax? A pro- portional tax? Comment on the progressivity or regressivity of each of the following taxes, indi

A punishment-oriented form of probation in which the offender is placed under stricter and more frequent surveillance and control than conventional probation by

Divide 2x4- 4x3 - 11x2 + 3x - 6 by x + 2