Silver (ag) has a molar mass of 107.8682 g, nitrogen has a molar mass of 14.0067 g, and oxygen has a molar mass of 15.9994 g. wh
2 answers:
Answer : The molar mass of silver nitrate is, 169.87 g
Explanation :
Molar mass : It is defined as mass of 1 mole of a substance.
Given:
Molar mass of Sliver (Ag) = 107.8682 g
Molar mass of nitrogen (N) = 14.0067 g
Molar mass of oxygen (O) = 15.9994 g
Now we have to calculate the molar mass of silver nitrate
Molar mass of silver nitrate = Molar mass of Sliver (Ag) + Molar mass of nitrogen (N) + (3 × Molar mass of oxygen (O))
Molar mass of silver nitrate = 107.8682 g + 14.0067 g + 3(15.9994 g)
Molar mass of silver nitrate = 169.87 g
Therefore, the molar mass of silver nitrate is, 169.87 g
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Answer: The amount of carbon-14 left after 10 years is 25 g
Explanation:
Formula used :
where,
a = amount of reactant left after n-half lives = ?
= Initial amount of the reactant = 100 g
n = number of half lives =
Putting values in above equation, we get:
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