s1642330 s1642330
  • 03-02-2020
  • Chemistry
contestada

555.0 g of KNOwas used to create a 2.7M solution. What is the volume of the solution?

Respuesta :

monica789412 monica789412
  • 09-02-2020

Solution volume is 2.03 litres.

Explanation:

First number of moles of KNO3 present in 555.0 gm will be calculated.

n= mass of the substance/ mass of one mole of the substance.

n= 555/  101.1032  ( molecular weight of KNO3 is 101.103)

 = 5.4 moles

Now volume can be calculated by the formula:

M= n/V      (M is the molarity, n is number of moles, V is the volume.)

  =  n/M

  = 5.4/2.7

V = 2.03 liters.

Molarity is defined as the number of moles of a substance dissolved in 1 litre of solution.

 

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