Problem: What is the correct way to prepare a 1 molar solution of KNO3?a) Add 1 gram KNO3 to 99 grams of water.b) Combine 101.1 grams of KNO3 with 1 kilogram of water.c) Combine 101.1 g KNO3 with 1 L of water.d) Add 101.1 grams of KNO3 to a small volume of water in a 1-L volumetric flask, dissolve the KNO3, and then fill the flask up to the 1 L mark with water.

FREE Expert Solution

We are asked what is the correct way to prepare a 1 molar solution of KNO3


Recall: 

Molarity = mole soluteL solution


This means that the total solution should just be 1 L not water. 


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Problem Details

What is the correct way to prepare a 1 molar solution of KNO3?

a) Add 1 gram KNO3 to 99 grams of water.

b) Combine 101.1 grams of KNO3 with 1 kilogram of water.

c) Combine 101.1 g KNO3 with 1 L of water.

d) Add 101.1 grams of KNO3 to a small volume of water in a 1-L volumetric flask, dissolve the KNO3, and then fill the flask up to the 1 L mark with water.

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