1. How many mL of copper (II) sulfate of a 2.5M stock solution is needed to make 250 mL of 0.2M solution?

asked Jul 4, 2023 144k views

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9 votes

Answer:

20ml

Step-by-step explanation:

using the formula;C1V1=C2V2

2.5×V1=0.2×250

2.5V1= 50

V1=50/2.5

V1=20L

Josh Hemann answered Jul 11, 2023

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