Explain in detail what is the molality of the solution

Assignment Help Chemistry

Reference no: EM13648144

When 20.4 grams of the strong electrolyte sodium phosphate are dissolved in 143 grams of water,

a. What is the molality of the solution?

b. What is the %w/w of sodium phosphate?

c. What is the X of sodium phosphate?

d. Given the data on the last page, calculate the boiling point of this solution.

e. If the density of the solution was 1.28 g/ml, what was the molarity of the solution?

f. What would be the osmotic pressure at 25 C?

Reference no: EM13648144

Questions Cloud

Explain what is the half-life for the reaction : The decomposition XY is second order in XY and has a rate of 7.02 E-3 M-1. s-1 at a certain temperature. A. What is the half-life for this reaction at an initial concentration of 0.100M

How many free electrons does the wire have : A wire has a current density of 17.0 A/mm2. If Thedrift velocity is 4.0 x 10-8 m/s, how many free electrons does the wire have in a 1.0 m length

What is the magnitude of the force in the rod : Abullet of mass m = 0.010 kg andspeed v passescompletely through a pendulum bob of mass M = 1.2 kg. Thebullet emerges with a speed of v/2. What is the magnitude of the force in the rod just after the bullet emerges

Determine the potential difference across the plates : Two parallel plates having charges of equal magnitude but oppositesign are separated by 12cm. Each plate has a charge density of 36nC/m2. A proton is released from rest at the positive plate. The potential difference across the plates

Explain in detail what is the molality of the solution : When 20.4 grams of the strong electrolyte sodium phosphate are dissolved in 143 grams of water, a. What is the molality of the solution. What is the %w/w of sodium phosphate

Evaluate its angular momentum : A uniform solid sphere of radius R = 0.50 m and a mass 15 kgrotates about the z-axis through its center. Find its angular momentum when the angular velocity is 3 radians/second

Determine what force is required at the edge : In the park, a mom pushes tangentially on a hand-drivenmerry-go-round and is able to accelerate it from rest to afrequency of 20 rpm in 10.0 s. What force is required at the edge

Define acetylene to use in conjunction with welding torch : Imagine that you have a 6.50 L gas tank and a 4.00 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 115 atm

User Account

All Pages