Answer:
The correct answer is - valid.
Explanation:
In this case, there is consistency in the results measures in the experiment which makes this method reliable. The consistency of a measure is referred to the reliability.
It is also given that the level of contamination of individual containers as per the average parameter of the contamination of large containers which makes this method not valid as the measurement method is how correctly it measures the true value of the parameter.
Thus, the correct answer is - method is reliable, but not valid.
Answer:
the molar mass of NaOCl is 74.5g
Atoms are considered the smallest particles of an element because they are the basic unit. They cannot be broken down into any smaller substance.
protons = electrons
They must be equal for an atom to be balanced. Otherwise, the atom is either positive (+) or negative (-).
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