20.0 mL of 6.00 M HCI is diluted with water to make a total of 450 mL. What is the concentration of HCI in this new solution?

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Q: A student makes a standard solution of potassium hydroxide by adding 14.555g to 500.0mL of water.…

A: Since you have posted multiple questions, we are entitled to answer only the first.

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A: Given that,V1 = 12 mL = 0.012 L M1 = 3M = 3 mol/L M2 = 0.200 M V2 = __ M1V1 = M2V2

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