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Molarity of diluted solutions

  • #1

Homework Statement


A student accidentally spills 227 mL of distilled water into a beaker containing 0.5 M potassium nitrate solution
A) What is the new molarity?

Homework Equations


Molarity = moles/liter

The Attempt at a Solution


I'm just REALLY confused, and I would appreciate ANY hints to start me off. I, seriously, have NO IDEA what to do.

thank you so much :)

Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
hage567
Homework Helper
1,509
2
How many moles of potassium nitrate do you have?
How does the molarity change when the volume changes after the water is added (i.e. what is the new volume)?
 
  • #3
Curious3141
Homework Helper
2,843
86
You need to know the prior volume of pot nitr. solution in the beaker.
 

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