107 795
Assignments Done
100%
Successfully Done
In September 2024
In September 2024
Your physics assignments can be a real challenge, and the due date can be really close — feel free to use our assistance and get the desired result.
Physics
Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form.
Math
Our experts will gladly share their knowledge and help you with programming projects. Keep up with the world’s newest programming trends.
Programming
Answer to Question #251668 in General Chemistry for jhon
Question #251668
A solution is made by dissolving 1.25 grams of Na2SO4 in 65.0 grams of water. What is the mole fraction of solute?
Expert's answer
2NaOH+H2SO4→Na2SO4+2H2O
= 65/18 = 3.61moles
125/142 = 0.88M
Total moles = 4.91
H2O = 3.61/4.91
= 0.74
Na2SO4 = 0.88/4.91
= 0.179
Learn more about our help with Assignments: Chemistry
-
![Help me with my assignment!]()
Who Can Help Me with My Assignment
There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
-
![How to finish assignment]()
How to Finish Assignments When You Can’t
Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
-
![Math Exams Study]()
How to Effectively Study for a Math Test
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
#339914 on Dec 2023
#339914 on Dec 2023
Comments
Leave a comment