Answer:
The procedure for calculating the pH of a solution of a weak base is similar to that of the weak acid in the sample problem. However, the variable x will represent the concentration of the hydroxide ion. The pH is found by taking the negative logarithm to get the pOH, followed by subtracting from 14 to get the pH.
Explanation:
(4) total number of valence electrons, because they exist in the same group.
Answer:
Vascular plants are successful due to better transportation for water, nutrients and reproduction.
Explanation:
I got it right at school and hope this helps you learn to STUDY.jk
Answer:

Explanation:
Hello!
In this case, given the relationship between velocity, wavelength and frequency:

By plugging in the given wavelength and frequency, we obtain the following speed:

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