Q_Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass of 294.3 g/mol. What is Molecular formula of this compound (At. Wt C=12, H=1, 0=16, N=14)
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- / Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass of 294.3 g/mol. What is Molecular formula of this compound (At. Wt C=12, H=1, 0=16, N=14).What is the mass percent of carbon in isopropyl alcohol, C3H8O? Group of answer choices 40.0% 60.0% 25.0% 20.0% 26.6%0.5 O blä 4 The molarity of a solution made by dissolving 2.45g of potassium chlorate(KCIO3) in water to make 250.0mL of solution is: (atomic masses ,K=39; Cl=35.5%3B * O= 16.0 ) 0.08 O 0.04 O 0.005 O Non of these O blä 4 The number of isomers of pentane (C5H12) is
- (b) 1. CH3CH₂COCI, AICI3 2. Br₂, CH3CO₂H 3. K+tBuO 4. OsO4 then NaHSO3 5. H₂CrO 4 *%85 l Sn [F ? ChemDoodleⓇFe(s) + H20) Fe;04(5) + H ² 9) b. How many moles of Fez04 can be produced from 6.0 mol of Fe?What is the limiting reagent if 78 grams of Na202 were reacted with 29.4 grams of (H2O? At.Wt( Na323.0%3D16,H=1
- Question 11 of 29> < The reaction for producing glucose in plants, called photosynthesis, is light 6 CO2 + 6 H20-CH1206+6 O2 If a plant produces 2.41 mol CHOhow many moles of H,O are needed? 65 12 moles H,O: mol help terms of use contact us privesy policy1) 2) 1 •NH₂ 0 H 1. SOCL₂, pyr 2. It 3C ~ Mg Br Hz 3.H30+ + ∙H n. ? NaOH ?The correct arrangement of logP for this compound is: H2C H3C -CH3 HN NH HN NH タール 2. 3. Seiect one O az 3 1 *C321
- I 11 Some lighters contain a hydrocarbon, a) Express the molar mass of an isomer in The percentage, by mass, of carbon in which is a mixture of isomers of general for- mula CnH2n+2, where n is to be determined. kitch The percentage, by _mass, of carbon these isomers is 82.8%. the Ass the r the terms of n. Cond b) Express the percentage, by mass, of car- bon in terms of n. Deduce the molecular formula of the considered isomer. c) Give their condensed structural formulas and their names. |14High fructose corn syrup (HFCS) is a sweetener that was designed in the 1970s, which takes corn starch and chemically modifies it to have a mixture of the constitutional isomers glucose and fructose (both of the formula C6H12O6). HFCS 55 is the type found in US sodas (like Coca Cola) and it contains 55.1% fructose molecules and 44.9% glucose molecules. Given that information, calculate how many molecules of fructose would be found in a can of coca cola if the amount of HFCS used were 67.5 g? Use the correct number of significant figures. *Input answer as: 6.022x10^23NaOH Na: O: H: (NH,),S N: H: S: DO IT LIKE THE GIVEN EXAMPLE EXAMPLE 1) CuBr2 Molar Mass = 1(Cu)+2(Br) Cu: _28.45% 1(63.546) + 2(79.904) =223.354 g/mol Br. 71.55% %Cu = (63.546-223.354) x 100 = 28.45% %Br = (159.808-223.354) x 100 = 71.55%