SOLUTION: How many mL of H2O (solvent) must be added to a 25.0 mL of NaCl (solute) to prepare a 15% (v/v) NaCl solution? a.142 mL b. 375 mL c. 143.8 mL d. 167 mL

Question 1162687: How many mL of H2O (solvent) must be added to a 25.0 mL of NaCl (solute) to prepare a 15% (v/v) NaCl solution?
a.142 mL
b. 375 mL
c. 143.8 mL
d. 167 mL

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
How many mL of H2O (solvent) must be added to a 25.0 mL of NaCl (solute) to prepare a 15% (v/v) NaCl solution?
a.142 mL
b. 375 mL
c. 143.8 mL
d. 167 mL
~~~~~~~~~~~~~~~~~~~~~~~

ABSOLUTELY INCORRECT problem's formulation.

To learn WHAT IS NaCl, read this Wikipedia article

https://en.wikipedia.org/wiki/Sodium_chloride

It is a SHAME to come publicly with such formulations (!)

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To learn about relevant mixture problems, read the lessons
    - Mixture problems
    - More Mixture problems
    - Solving typical word problems on mixtures for solutions
    - Typical word problems on mixtures from the archive

    - Special type mixture problems on DILUTION adding water
    - Increasing concentration of an acid solution by adding pure acid
    - How much water must be evaporated

    - OVERVIEW of lessons on word problems for mixtures
in this site.

A convenient place to quickly observe these lessons from a "bird flight height" (a top view) is the last lesson in the list.

Read them and become an expert in solution the mixture word problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Mixture problems".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.

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