Students at Gonzaga University were attempting to make barium phosphate by precipitation when mixing solutions of barium chloride and trisodium phosphate: 17 3 BaCl₂ (aq) + 2 Na3PO(aq) → Ba3(PO4)₂(s) + 6 NaCl(aq) FM 208.23 FM 163.94 FM 601.92 In one case, 0.479 g of BaCl, and 0.667 g of Na3PO4 were each dissolved separately in ~50 mL H₂O in beakers. The Na3PO4 solution was poured into the BaCl₂ solution with mixing and the resulting suspension of white powder was digested at 80°C for 30 min to give 0.766 g of white solid after filtration, washing, and air drying.
Students at Gonzaga University were attempting to make barium phosphate by precipitation when mixing solutions of barium chloride and trisodium phosphate: 17 3 BaCl₂ (aq) + 2 Na3PO(aq) → Ba3(PO4)₂(s) + 6 NaCl(aq) FM 208.23 FM 163.94 FM 601.92 In one case, 0.479 g of BaCl, and 0.667 g of Na3PO4 were each dissolved separately in ~50 mL H₂O in beakers. The Na3PO4 solution was poured into the BaCl₂ solution with mixing and the resulting suspension of white powder was digested at 80°C for 30 min to give 0.766 g of white solid after filtration, washing, and air drying.
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Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.160QP: Determine the volume of sodium hydroxide solution needed to prepare 26.2 g sodium phosphate, Na3PO4,...
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![Students at Gonzaga University were attempting to make barium phosphate by precipitation when mixing solutions of barium
chloride and trisodium phosphate: 17
3 BaCl₂ (aq) + 2 Na3PO(aq) → Ba3(PO4)₂(s) + 6 NaCl(aq)
FM 208.23
FM 163.94
FM 601.92
In one case, 0.479 g of BaCl₂ and 0.667 g of Na3PO4 were each dissolved separately in ~50 mL H₂O in beakers. The Na3PO4
solution was poured into the BaCl₂ solution with mixing and the resulting suspension of white powder was digested at 80°C for
30 min to give 0.766 g of white solid after filtration, washing, and air drying.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9156f8b7-4f51-47ca-9489-d1b49d440928%2F5251b853-388a-4d0b-9d57-c08cf064738a%2Fhv0ae3c_processed.png&w=3840&q=75)
Transcribed Image Text:Students at Gonzaga University were attempting to make barium phosphate by precipitation when mixing solutions of barium
chloride and trisodium phosphate: 17
3 BaCl₂ (aq) + 2 Na3PO(aq) → Ba3(PO4)₂(s) + 6 NaCl(aq)
FM 208.23
FM 163.94
FM 601.92
In one case, 0.479 g of BaCl₂ and 0.667 g of Na3PO4 were each dissolved separately in ~50 mL H₂O in beakers. The Na3PO4
solution was poured into the BaCl₂ solution with mixing and the resulting suspension of white powder was digested at 80°C for
30 min to give 0.766 g of white solid after filtration, washing, and air drying.
![Use the gravimetric factor to calculate theoretical yield.
theoretical yield:
0.9229
observed yield:
Incorrect
What is the observed yield (%)?
82.99
Incorrect
g
%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9156f8b7-4f51-47ca-9489-d1b49d440928%2F5251b853-388a-4d0b-9d57-c08cf064738a%2Fdzpyy5d_processed.png&w=3840&q=75)
Transcribed Image Text:Use the gravimetric factor to calculate theoretical yield.
theoretical yield:
0.9229
observed yield:
Incorrect
What is the observed yield (%)?
82.99
Incorrect
g
%
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![X-ray diffraction by the powder identified it not as barium phosphate, but as the mineral phase nabaphite:
BaCl,(aq) + NaşPO_(aq) — NaBaPO - 9H,O(s)+2NaCl(aq)
Nabaphite
What is the theoretical yield of isolated product?
theoretical yield: 0.8367
What is the observed % yield of isolated product?
observed yield:
91.55
g
%](https://content.bartleby.com/qna-images/question/9156f8b7-4f51-47ca-9489-d1b49d440928/f1b02781-10b9-4d49-9076-ca858f030b63/32qmtp8_thumbnail.png)
Transcribed Image Text:X-ray diffraction by the powder identified it not as barium phosphate, but as the mineral phase nabaphite:
BaCl,(aq) + NaşPO_(aq) — NaBaPO - 9H,O(s)+2NaCl(aq)
Nabaphite
What is the theoretical yield of isolated product?
theoretical yield: 0.8367
What is the observed % yield of isolated product?
observed yield:
91.55
g
%
![When the same procedure was conducted, but digestion was carried out in a sealed Teflon bomb at 105°C for 3 h instead of
80°C for 30 min, 0.361 g of white solid product was collected and identified by X-ray diffraction as Ba, (PO4)₂, not nabaphite.
What was the % yield of this product?
oberved yield:
39.11
%](https://content.bartleby.com/qna-images/question/9156f8b7-4f51-47ca-9489-d1b49d440928/f1b02781-10b9-4d49-9076-ca858f030b63/k1a6yse_thumbnail.png)
Transcribed Image Text:When the same procedure was conducted, but digestion was carried out in a sealed Teflon bomb at 105°C for 3 h instead of
80°C for 30 min, 0.361 g of white solid product was collected and identified by X-ray diffraction as Ba, (PO4)₂, not nabaphite.
What was the % yield of this product?
oberved yield:
39.11
%
Solution
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