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4HF(aq) + SiO2 (s) → SİF4(9) + 2H2O(1) With excess HF, a chemist needs to know what mass (in grams) of silicon dioxide is needed in order to produce 18.0 mol of water. Here is part of their work. Solve this problem on your own first before completing this question. 18.0 тol H2О al a3 =? g SiO2 1 a2 1 mol SiO2 Match each part with where it belongs in the stoichiometry set-up. One of them is not needed, so match it with "This is not needed" for that part. а1 [ Choose ] a2 [ Choose ] a3 [ Choose ] This is not needed [ Choose ]

4HF(aq) + SiO2 (s) → SİF4(9) + 2H2O(1) With excess HF, a chemist needs to know what mass (in grams) of silicon dioxide is needed in order to produce 18.0 mol of water. Here is part of their work. Solve this problem on your own first before completing this question. 18.0 тol H2О al a3 =? g SiO2 1 a2 1 mol SiO2 Match each part with where it belongs in the stoichiometry set-up. One of them is not needed, so match it with "This is not needed" for that part. а1 [ Choose ] a2 [ Choose ] a3 [ Choose ] This is not needed [ Choose ]

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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4HF (ад) + SiO2 (s) → SİF4(g) + 2H2O(1) With excess HF, a chemist needs to know what mass (in grams) of silicon dioxide is needed in order to produce 18.0 mol of water. Here is part of their work. Solve this problem on your own first before completing this question. 18.0 тol H2О al а3 =? g SiO2 1 a2 1 mol SiO2 Match each part with where it belongs in the stoichiometry set-up. One of them is not needed, so match it with "This is not needed" for that part. а1 [ Choose ] a2 [ Choose ] a3 [ Choose ] This is not needed [ Choose ]
Transcribed Image Text:4HF (ад) + SiO2 (s) → SİF4(g) + 2H2O(1) With excess HF, a chemist needs to know what mass (in grams) of silicon dioxide is needed in order to produce 18.0 mol of water. Here is part of their work. Solve this problem on your own first before completing this question. 18.0 тol H2О al а3 =? g SiO2 1 a2 1 mol SiO2 Match each part with where it belongs in the stoichiometry set-up. One of them is not needed, so match it with "This is not needed" for that part. а1 [ Choose ] a2 [ Choose ] a3 [ Choose ] This is not needed [ Choose ]
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