Which statements about cirrus clouds are true? Choose all answers that are correct. A. Cirrus clouds form high in the sky. B. Ci
1 answer:
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Answer:
pH = 12.52
Explanation:
Given that,
The [H+] concentration is .
We need to find its pH.
We know that, the definition of pH is as follows :
Put all the values,
So, the pH is 12.52.
The number of moles present in 29.5 grams of argon is 0.74 mole.
The atomic mass of argon is given as;
Ar = 39.95 g/mole
The number of moles present in 29.5 grams of argon is calculated as follows;
39.95 g ------------------------------- 1 mole
29.5 g ------------------------------ ?
Thus, the number of moles present in 29.5 grams of argon is 0.74 mole.
<em>"Your question seems to be missing the correct symbol for the element" </em>
Argon = Ar
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