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elixir [45]
3 years ago
9

Silver sulfadiazine burn-treating cream creates a barrier against bacterial invasion and releases antimicrobial agents directly

into the wound. If 25.0 g of Ag2O is reacted with 50.0 g of C10H10N4SO2, what mass of silver sulfadiazine (AgC10H9N4SO2) can be produced, assuming 100% yield?
Ag2O(s)+2C10H10N4SO2(s)⟶2AgC10H9N4SO2(s)+H2O(l)
Chemistry
1 answer:
Lena [83]3 years ago
3 0

<u>Answer:</u> The mass of AgC_{10}H_9N_4SO_2 produced is 21.13 grams

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}     .....(1)

  • <u>For silver (I) oxide:</u>

Given mass of silver (I) oxide = 3.024 g

Molar mass of silver (I) oxide = 102.1 g/mol

Putting values in equation 1, we get:

\text{Moles of silver (I) oxide}=\frac{3.024g}{102.1g/mol}=0.0296mol

  • <u>For </u>C_{10}H_{10}N_4SO_2<u> :</u>

Given mass of C_{10}H_{10}N_4SO_2 = 50.0 g

Molar mass of C_{10}H_{10}N_4SO_2 = 250 g/mol

Putting values in equation 1, we get:

\text{Moles of }C_{10}H_{10}N_4SO_2=\frac{50.0g}{250g/mol}=0.2mol

The chemical equation for the combustion of hexane follows:

Ag_2O(s)+2C_{10}H_{10}N_4SO_2(s)\rightarrow 2AgC_{10}H_9N_4SO_2(s)+H_2O(l)

By Stoichiometry of the reaction:

1 mole of silver (I) oxide reacts with 2 moles of C_{10}H_{10}N_4SO_2

So, 0.0296 moles of silver (I) oxide will react with = \frac{2}{1}\times 0.0296=0.0592mol of C_{10}H_{10}N_4SO_2

As, given amount of C_{10}H_{10}N_4SO_2 is more than the required amount. So, it is considered as an excess reagent.

Thus, silver (I) oxide is considered as a limiting reagent because it limits the formation of product.

By Stoichiometry of the reaction:

1 mole of silver (I) oxide produces 2 moles of AgC_{10}H_9N_4SO_2

So, 0.0296 moles of silver (I) oxide will produce = \frac{2}{1}\times 0.0296=0.0592moles of AgC_{10}H_9N_4SO_2

Now, calculating the mass of AgC_{10}H_9N_4SO_2  from equation 1, we get:

Molar mass of AgC_{10}H_9N_4SO_2  = 357 g/mol

Moles of AgC_{10}H_9N_4SO_2  = 0.0592 moles

Putting values in equation 1, we get:

0.0592mol=\frac{\text{Mass of }AgC_{10}H_9N_4SO_2}{357g/mol}\\\\\text{Mass of }AgC_{10}H_9N_4SO_2=(0.0592mol\times 357g/mol)=21.13g

Hence, the mass of AgC_{10}H_9N_4SO_2 produced is 21.13 grams

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