A 1.0 L solution initially contains 0.40 M CH3COOH. Approximate the number of moles of CH3COOH and CH3COO− in the solution after 0.25 mol of solid NaOH is added, and calculate the pH of the resulting solution. Ka of CH3COOH is 1.8 LaTeX: \times×10−5.

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explanation:

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

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