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Kelvin Trinh · Answer 1 · 2024-10-12T19:36:36+0000

Answer:2.5M

Step-by-step explanation:

let the number of moles = x

x/0.025L =15

x= 15*0.025 = 0.375 moles

the concentration of the new solution = moles / volume =

0.375 / (0.025+0.125) = 2.5M