Homework Help: chemistry

Posted by josh on Monday, June 13, 2011 at 9:28pm.

1. 15.0 g of sodium sulfate are dissolved in water to form 400.0 g of solution. The density of the solution is 1.056 g/mL at 25oC.
a. What is the mass percent (%(w/w)) of sodium sulfate?
b. What is the molarity of sodium sulfate?
c. What is the molarity of the sodium ion?
d. How many parts per million of sodium ion in the solution?
e. How many equivalents of sodium ion are present in the solution?

chemistry - DrBob222, Monday, June 13, 2011 at 10:48pm
This is a huge amount of work. How much can you do? What exactly do you not understand?

Answer this Question

Related Questions

Chemistry - which of the following compounds dissolve in water?? -Sodium Nitrate...
Chemistry - Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate...
Chemistry - Some solid copper(II) sulfate is dissolved in sufficient water to ...
chem. - Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and...
Chemistry - Ammonium sulfate reacts with a solution of sodium hydroxide to ...
Chemistry - you add excess sodium sulfate to a solution of a soluble barium ...
Chemistry - you add excess sodium sulfate to a solution of a soluble barium ...
Chemistry - Calculate the density of 150g of a 25% by wieght solution of sodium ...
Chemistry - A sample of 8.44 grams of NaOH is dissolved into 536 mL of aqueous 0...
Chemistry - Recently I solved for how many mL of 5% BaCl2.2H20 solution was ...

For Further Reading

First Name:
School Subject:
Answer: