bunnyrabbet1200 bunnyrabbet1200

30-01-2024
Chemistry

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When 1g of oleum sample is diluted with water, and the solution requires 54 ml of 0.4 N NaOH for complete neutralization, the percentage of free SO₃ in the sample is approximately:
a. 0.75%
b. 1.50%
c. 2.25%
d. 3.00%

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