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A new element X forms metal sulfate hydrate with formula XS04.12H20. The atomic mass of X is 49.04. Calculate mass% of water in this hydrate.
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

A new element X forms metal sulfate hydrate with formula XS04.12H20. The atomic mass of X is 49.04. Calculate mass% of w... 查看全部

  • 2021-12-01 19:31

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5. The buffer solution was prepared by mixing 10 mL 6 M HAc and 20 mL 6 M KAC (K=1.75x10-5) a) What is the pH of this solution? b) 10 mL of this solution was diluted to 100 mL. What is the pH of the final solution?
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

5. The buffer solution was prepared by mixing 10 mL 6 M HAc and 20 mL 6 M KAC (K=1.75x10-5) a) What is the pH of this so... 查看全部

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Question 2(a) Draw ALL resonance structures and the resonance hybrid for the compound below Question 2(b) Answer the following questions. (1) Draw the chair conformers of the compound above Indicate the most stable conformer in). clin) Draw the Newman pro
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

Question 2(a) Draw ALL resonance structures and the resonance hybrid for the compound below Question 2(b) Answer the fol... 查看全部

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A. Are The Following Miscible, Immiscible, Soluble, Or Insoluble? Solubility Of NaCl In Water Solubility Of Sugar In Water Solubility Of Gelatin In Water Solubility Of CuSO4 In Water Solubility Of Lard In Water Solubility Of Ethanol In Water Solubility Of
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

A. Are the following miscible, immiscible, soluble, orinsoluble?Solubility of NaCl in WaterSolubility of Sugar in WaterS... 查看全部

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A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied togeth
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

Fill in the blank. Not the question mark.A student sets up the following equation to convert a measurement. (The ? stand... 查看全部

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5. Which of the following compounds has the highest reactivity in the Diels-Alder reaction with benzoquinone? (A) (B) (C) (D) (E) 10. What is the major final organic product of the following sequential reactions? (xs = excess) 1) HBr, ROOR 2) t-BuOK 3) Br
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

explain in detail.Please print or type,no cursive writing.5. Which of the following compounds has the highest reactivity... 查看全部

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6. Chloride amount was determined by Mohr method in the sewage water. Chloride in 250 mL of the sewage water was titrated with 3.2 mL of 0.01020 M AgNO3 solution. a) Write all the reactions related with this titration and write their functions. b) Calcula
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

6. Chloride amount was determined by Mohr method in the sewage water. Chloride in 250 mL of the sewage water was titrate... 查看全部

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1a) I a titration, why does. The solution of NAOH have to be diluted for the purpose of standardization with WHP Standard? what equipment can be used? b) why does the solution of unknown 461 have to be diluted ? what equipment can be used? Clwheel ure the
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

1a) I a titration, why does. The solution of NAOH have to be diluted for the purpose of standardization with WHP Standar... 查看全部

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How many milliliters of a 2.00% KCl solution are needed toprovide a patient with 5.00g of KCl
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

How many milliliters of a 2.00% KCl solution are needed toprovide a patient with 5.00g of KCl

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Question 4(a) CF ОН So COOH 1 II HII IV (i) Rank the bold-faced protons in order of increasing acidity. (ii) Explain your answer. Question 4(b) Draw one possible structure for each of the following compounds based on the descriptions below. (1) A compound
匿名用户 匿名用户 2021-12-01 19:31 化学类Chemistry

Question 4(a) CF ОН So COOH 1 II HII IV (i) Rank the bold-faced protons in order of increasing acidity. (ii) Explain you... 查看全部

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