107 824
Assignments Done
100%
Successfully Done
In March 2025
In March 2025
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 #57222 in Chemistry for panos
Question #57222
A student analyzes a sample and finds out it contains 25% of NaCl. After that he realises the sample contained KCl instead of NaCl. What is the % concentration of KCl in the sample?
Expert's answer
Learn more about our help with Assignments: Chemistry
Comments
Here number of moles is not considered. The ratio of the mass percents is the same as the ratio of molecular weights of two substances.
can you explain how the first equation came up? The number of moles in the sample is stable?
Leave a comment