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05-03-2020
Chemistry

contestada

2.00 mL of a 0.75 M solution of potassium
permanganaté K2 MnO4 Solution is us od 10
make a 500-00 mL solution. what is the
concentration of the new solution.

Respuesta :

magalieisik magalieisik

15-03-2020

Answer:

The concentration of the new solution is: 0, 003M

Explanation:

We use the formula:

C initial x V initial = C final x V final

0,75M x 2ml = C final x 500ml

C final = (0,75M x 2ml)/500ml=3x10e-3M= 0,003M

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