How many grams of silver sulfide are formed when 0.280 g of hydrogen sulfide reacts with excess silver and oxygen?
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Ответ:
Explanation:
For this question we have to start with the reaction:
Now, we can balance the reaction, so:
With this in mind, we have to start with the amount of
. The first step is to convert from grams to moles. For this, we need to find the molar mass of
. If we check the periodic table we will find the atomic masses for Ag and H; H: 1 g/mol and A: 32 g/mol, so:
(1*2)+ (32*1) = 34 g/mol.
Now we can calculate the moles of
:
With the moles of
we can calculate the moles of
if we check the molar ratio in the balanced equation,
, so:
With the molar mass of
we can convert from moles to grams (Ag: 107.86 g/mol, S: 32 g/mol), so:
(107.86*1)+(32*2)=247.80 g/mol
I hope it helps!
Ответ:
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