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Fluoxetine, marketed as an antidepressant under the nameProzac, can be represented by the following ball-and-stick molecular model. Write the molecular formula for fluoxetine,and calculate its molecular weight.
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- Chlorine exists mainly as two isotopes, 37Cl and 33Cl. Which is more abundant? How do you know?arrow_forward4-102 Aspartame, an artificial sweetener used as a sugar substitute in some foods and beverages, has the molecular formula C14H18N2O5. (a) How many mg of aspartame are present in 3.72 × 1026 molecules of aspartame? (b) Imagine you obtain 25.0 mL of aspartame, which is known to have a density of 1.35 g/mL. How many molecules of aspartame are present in this volume? (c) How many hydrogen atoms are present in 1.00 mg of aspartame? (d) Complete the skeletal structure of aspartame, where all the bonded atoms are shown but double bonds, triple bonds, and/or lone pairs are missing. (e) Identify the various types of geometries present in each central atom of aspartame using VSEPR theory. (f) Determine the various relative bond angles associated with each central atom of aspartame using VSEPR theory. (g) What is the most polar bond in aspartame? (h) Would you predict aspartame to be polar or nonpolar? (i) Is aspartame expected to possess resonance? Explain why or why not. (j) Consider the combustion of aspartame, which results in formation of NO2(g) as well as other expected products. Write a balanced chemical equation for this reaction. (k) Calculate the weight of C02(g) that can be prepared from 1.62 g of aspartame mixed with 2.11 g of oxygen gas.arrow_forwardMorphine, a narcotic substance obtained from opium, has the molecular formula C17H19NO3. What is the mass percentage of each element in morphine (to three significant figures)?arrow_forward
- Chalky, white crystals in mineral collections are often labeled borax, which has the molecular formula Na2B4O7 10H2O, when actually they are partially dehydrated samples with the molecular formula Na2B4O7 5H2O, which is more stable under the storage conditions. Real crystals of borax are colorless and transparent. (a) Calculate the percent mass that the mineral has lost when it partially dehydrates. (b) Is the percent boron by mass the same in both compounds?arrow_forwardPart A: What is the molar mass of allicin? Express your answer in grams per mole to four significant figures.arrow_forwardThe molecular formula for caffeine, one of the key compounds found in coffee and tea, is C8H10N4O2. (i) How do I calculate the percent mass of each of the elements in caffeine.arrow_forward
- Codeine, a narcotic drug used to treat cough, has an empirical formula of C18H21NO3. What is the molecular formula of codeine if its molar mass is 299g/mol? (C=12.01, H=1.008, N=14.00, O=16.00)arrow_forwardCompound Z is a chemical naturally found in peppermint and other mint plants and has mild anesthetic properties. In a combustion analysis experiment, 95.6 mg of Compound Z (molar mass = 156 g/mol) are burned in oxygen gas to give 269 mg CO2 and 110 mg H20. What is Compound Z's empirical formula? Write the numbers that you would write in the subscript of the formula in the boxes next to the symbol of the element. If the subscript is 1, type 1 although you normally would not write 1 in the formula. H.arrow_forwardChlorophyll molecules are responsible for the green pigmentation of plants. Differing chemically isolated molecular chlorophyll compounds are named as "Chlorophyll X" (where "X" is a variable denoting the actual molecular fragments which are represented by the labels R2, R3, R7, Rg, R17). Suppose one molecule of ChlorophyllX contains 5 oxygen atoms, and Chlorophyll X is 13.14 % oxygen by weight. Using only this information and the atomic mass of oxygen, determine the molecular mass of Chlorophyll X. The Chlorophyll X molecule contains one magnesium atom. What mass of magnesium is found in 7.11 g of Chlorophyll X compound?arrow_forward
- Part C Hydroxyapatite, Ca10(PO4)6(OH)2, the principal component of human bones. Express your answer in atomic mass units to one decimal place. 15. ΑΣΦ Formula weight = Submit Request Answer Part D Formula weight = Myrcene, C₁0H16, an aromatic molecule found in herbs and spices such as thyme, hops, cannabis, and cardamom. Express your answer in atomic mass units to one decimal place. 197| ΑΣΦ Submit Part E Request Answer ? Formula weight = bard ? B amu Ethyl butyrate, C3H,COOC₂H5, the molecule largely responsible for the odor of pineapple. Express your answer in atomic mass units to one decimal place. VE ΑΣΦ ? amu amuarrow_forwardBarium chloride dihydrate has the formula BaCl2 · 2H2O. Assume there is another hydrate(BaCl2 · xH2O). If 30.00 g of this other hydrate gives 24.98 g of anhydrous BaSO4 upon treatment with sulfuric acid, calculate the value of x (x will be an integer).arrow_forward10) A patient is to be given 2 litres of 0.9% sodium chloride via intravenous infusion over a 24 hour period. You have been asked to calculate how many millimoles of sodium this patient will receive.(Relative molecular mass Na = 23.0, Relative molecular mass Cl = 35.5).arrow_forward
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