How are the atomic number and the number of protons related to each other? how do the number of protons, number of neutrons, and
1 answer:
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Answer : The number of grams of calcium perchlorate is, 0.00253 grams.
Explanation :
Molar mass of calcium perchlorate = 238.9 g/mol
As, formula units present in 238.9 g of calcium perchlorate
So, formula units present in
of calcium perchlorate
Therefore, the number of grams of calcium perchlorate is, 0.00253 grams.
Answer : 50.69 mg of ascorbic acid does not meet the daily requirement.
Solution : Given,
Molar mass of Ascorbic acid = 176 g/mole
Moles of Ascorbic acid =
Formula used :
or,
Now put all the given values in this formula, we get the mass of ascorbic acid.
Conversion :
As per question, a healthy adult’s daily requirement of vitamin C is 70-90 mg. But calculate mass of vitamin C is 50.69 mg. So, 50.69 mg of ascorbic acid does not meet the daily requirement.