chambersjamal05
09.11.2020 •
Chemistry
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Ответ:
but
okay
ill
do
it
Ответ:
Bett bett lol lemme finish this quiz
Explanation:
Ответ:
Answer : The mass of
added must be, 61.9 grams
Explanation : Given,
Mass of
= 40 g
Molar mass of
= 105.9 g/mol
First we have to calculate the moles of
.
Now we have to calculate the moles of
The balance chemical reaction will be:
From the balanced reaction we conclude that
As, 1 mole of
react with 1 mole of 
So, 0.378 mole of
react with 0.378 mole of 
Now we have to calculate the mass of
Molar mass of
= 164 g/mol
Thus, the mass of
added must be, 61.9 grams