What is the question or problem you want to solve?
I'm not sure if what this question is asking but ill be assuming that the average molecular mass is required. An assuming that the abundance of each isotope is 50% the average molecular mass is 69.82 amu.
Answer:
buffer action
Explanation:
the property of the solution to resist the changes in its pH value on the addition of small amounts of strong acid or base is known as buffer action
Phase of matter
Explanation:
The phase of matter strictly is a function of its temperature. Matter exists in different phases at different temperatures.
- Matter is anything that has weight and occupies space.
- There are three states of matter:
- Solid
- Liquid
- Gas
These phases of matter depends on temperature.
For example;
- Water exists as gases above boiling point
- Water is also solid at freezing point.
- Between the freezing and boiling point, water is a liquid.
Learn more:
Chemistry brainly.com/question/8839455
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