4. Calculate the concentrations of H" in the pure water solution with pH = 6.90.A. 1.10 x 10 MВ. 1.15 х 10°МC. 1.25 x 105 MD. 1.26 x 107 M5. What is the decibel rating of the sound of an orchestra playing a movement forfortissimo at 3.6 x 105 W/m??A. 76 dBВ. 87 dвC. 92 dBD. 98 dB

As per our guidelines, we are supposed to solve only first question. Kindly repost other question as…

Answered: 4. Calculate the concentrations of H"…

4. Calculate the concentrations of H" in the pure water solution with pH = 6.90. A. 1.10 x 10 M B. 1.15 x 10"M C. 1.25 x 105 M D. 1.26 x 10-7 M

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time

Section: Chapter Questions

Problem 34A: Compute the following problems. Express the answers to the nearer whole number. Use C=3.1416DN12 or...

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Question

4. Calculate the concentrations of H" in the pure water solution with pH = 6.90.
A. 1.10 x 10 M
В. 1.15 х 10°М
C. 1.25 x 105 M
D. 1.26 x 107 M
5. What is the decibel rating of the sound of an orchestra playing a movement for
fortissimo at 3.6 x 105 W/m??
A. 76 dB
В. 87 dв
C. 92 dB
D. 98 dB

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