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seropon [69]
3 years ago
12

Ammonium phosphate is an important ingredient in many solid fertilizers. It can be made by reacting aqueous phosphoric acid with

liquid ammonia. Calculate the moles of ammonia needed to produce 0.060 mol of ammonium phosphate. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
Chemistry
1 answer:
ankoles [38]3 years ago
8 0

Answer:

n_{NH_3}=0.18molNH_3

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

H_3PO_4(aq)+3NH_3(l)\rightarrow (NH_4)_3PO_4

In such a way, considering the 3 to 1 molar relationship between ammonia and ammonium phosphate, the moles of ammonia result:

n_{NH_3}=0.060mol(NH_4)_3PO_4*\frac{3molNH_3}{1mol(NH_4)_3PO_4}\\n_{NH_3}=0.18molNH_3

Best regards.

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Strontium sulfate becomes less soluble in an aqueous solution when sodium sulfator is added because
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The addition of sulfate ions shifts equilibrium to the left.

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In this case, according to the following ionization of strontium sulfate:

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Calculate the entropy change for the reaction: Fe2O3(s) +3C(s) -> 2Fe(s) + 3CO(g)
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Answer:

ΔS = +541.3Jmol⁻¹K⁻¹

Explanation:

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Standard Entropy of Fe₂O₃ = 90Jmol⁻¹K⁻¹

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Standard Entropy of Fe = 27.2Jmol⁻¹K⁻¹

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To find the entropy change of the reaction, we first write a balanced reaction equation:

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To calculate the entropy change of the reaction we simply use the equation below:

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