Wednesday, September 30, 2015

A medical solution used in a hospital has NaCl by mass. How many grams of NaCl are present in of solution?

By the definition, one percent of some quantity is a one hundredth of it. Hence of some quantity is  


In the given problem therefore of it is equal to


This is the answer.


By the way, this concentration of    is used in hospitals because it is close to human blood and tears by the osmotic pressure.

No comments:

Post a Comment

find square roots of -1+2i

We have to find the square root of i.e. We will find the square roots of the complex number of the form x+yi , where ...