Solve this acid base question

hello! here is how i solved it. please let me know if i have a mistake in the solution or the answer


Hey, I’m not familiar with how to calculate 10^-0.469 without a calculator. I get it wrong most of the times. How can i do it? Please help :slightly_smiling_face:

I think things -log10(x) or 10^(-x) should be solved with calculator as it’s way too complicated (unless x could be 10 to the power of n.)

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Thank you. I hope such complicated numbers wont be asked for the exam :blush:

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These type of numbers are not very much asked in the exam. So don’t worry for not being able to solve without calculator.

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