3 Answers. So, the molecular weight is 3 0 1 8 0 = 6. â Molecular formula of compound is C 6 H 1 2 O 6 . Go 4(CH2O)=C4H8O4. Relevance. molar mass of NaCl = 58.5 g/ 1 mol; NaCl density is 1.10 g/ 1 mL a) 13.3% b) 14.2% c) 0.142% d) 0.133% e) 17.1%. If the ratio is 2 (as with hydrogen peroxide, H 2 O 2), then multiply the subscripts of the empirical formula by 2 to get the correct molecular formula. Divide by smallest: C = 3. The molar mass of an individual element is its atomic weight in grams. molar mass = M = write down what you are told in the question (units are g mol-1) (you may need to calculate this using the molecular formula of the pure substance and a Periodic Table) Check the units for consistency and convert if necessary: Mass must be in grams ! this is acetic acid ----- CH3 COOH. The molar mass and molecular weight of C4H8O4 is 120.10392. Trevor H. Lv 7. Determine the empirical formula and the molecular formula. C7H10O, C7H14, C4H8O4, C6H10O2? Some elements are only found in molecules of 2 ⦠CH2O and C4H8O4. Calculate the molar mass for each of the following:a. C4H8O4... Get solutions . Answer Save. Hebei Smart Chemicals (Group) Co. Ltd. 1 decade ago. C 4 H 8 O 4. b. Ga 2 (CO 3) 3. c. KBrO 4. Figure 2: A structure of glucose. Product Nameï¼ 2-acetylcyclohexanone Telï¼ +86-21-33927743 33927342 Emailï¼ info@hebeismart.com . Tetroses. The Old Professor. 3 Answers. 0 1. Lv 5. C7H14 = 98.1861 g/mol. Molar mass and atomic (molecular) mass ARE THE SAME. H = 3. Mass percent. 2 years ago. Answer Save. Molar mass C3H3O = 55.0556 g/mol. e. C6H16O2. C4H8O4 = 120.1039 g/mol. 0 0. A compound has a molar mass of 90. grams per mole and the empirical formula CH2O. add up the mass of of ur emperical formual, which is. Molecular weight of compound given is 1 8 0. 12+2+16=30. O = 29.09/15.999= 1.81824 . A) CHO and C6H6O6 B) C3H3O and C6H6O2 C) C3HO and C6H2O2 D) CH2O and C4H8O4 ⦠Lv 4. Product Nameï¼ 1,4-Dioxane-2,5-diol Telï¼ +86-21-56795766,56795797 Emailï¼ sales@worldyachem.com. divide this mass by the molar mass of 120. and answer is 4. ⦠A compound has a molar mass of 100 g/mol and the percent composition (by mass) of 65.45% C, 5.45% H, and 29.09% O. The molecular mass of the actual compound is four times this, so the molecular formula must be C4H8O4. b) 0.7500 grams of the unknown acid was dissolved in water. The mass and molarity of chemical compounds can be calculated based on the molar mass of the compound. Lv 7. Submit your answer. Which organic compounds has the lowest molar mass? Upvote (29) Was this answer helpful? Join. 0 0. Trending Questions . Its molar mass is between 55 and 65 g/mol. The "real" molecule has mass twice as high so the "real fomula" (the molecular formula) must be twice as high as the empirical formula.- choice b. Calculate the molar mass for each of the following: a. Calculate Molar Mass. C = 65.45/12.011 = 5.449. Still have questions? See the answer. The mass (in grams) of a compound is equal to its molarity (in moles) multiply its molar mass: grams = mole × molar mass. A compound has a molar mass of 90. grams per mole and the empirical formula CH2O. If mass is given in milligrams (mg), divide it by 1,000 to give the mass in grams (g). 8 years ago. during exercise C4H8O4 120.10 Erythrose Forms during sugar metabolism C5H10O5 150.13 Ribose Component of many nucleic acids and vitamin B2 C6H12O6 180.16 Glucose Major nutrient for energy in cells 19 Determining the Molecular Formula from Elemental Composition and Molar Mass - III (b) Determining the Molecular Formula The formula weight of the empirical formula is 1 x C 2 x H 1 x O 1 x ⦠Roger the Mole. N2H4O2. Favourite answer. C4H8O4 is an organic compound. H= 5.45/1.008 = 5.407. 0 0. dimmitri. First, calculate the formula mass, the molar mass of the formula unit, which is the sum of the atomic masses of the elements in the empirical formula multiplied by their respective subscripts. Its molecular formula is. is it true that The smallest particle of sugar that is still sugar ⦠Still have questions? Related ⦠InChI=1S/C4H8O4/c1-4 (8,2-5)3(6)7/h5,8H,2 H2,1H3,(H,6,7) Copy. The empirical formula of a compound is the ⦠We have solutions for your book! Relevance. (1) CH2O (3) C3H6O3 (2) C2H4O2 (4) C4H8O4. Trending Questions. two. LOGIN TO VIEW ANSWER. Answer Save. erythrose C4H8O4 structure ðMolecular Formula C4H8O4 Average mass 120.104 Da Density 1.7±0.1 g/cm3 Boiling Point 290.6±40.0 °C at 760 mmHg Flash Point 129.5±27.3 °C Molar a) What is the empirical formula for the acid? Answers: 1 on a question: A compound has a molar mass of 100 g/mol and the percent composition (by mass) of 65.45% C, 5.45% H, and 29.09% 0. Lv 7. Erythrose; Erythrulose; Threose The molecular formula C 4 H 8 O 4 (molar mass: 120.10 g/mol, exact mass: 120.042259) may refer to: . InChIKey. Molar mass of Oxygen = 1 6. C4H8O4: Molar Mass: 120.104 g/mol: Density: 1.455g/cm 3: Boling Point: 259.4°C at 760 mmHg: Flash Point: 110.7°C: Vapor Presure: 0.00189mmHg at 25°C: Refractive Index: 1.513: Vendor Catalog. Only the units change. Molar mass of NaCl is 58.443, how many grams is 5 mole NaCl? A. C3H4O3 B. C4H8O4 C. C6H6O6 D. C6H8O6 E. C6H8O8 . C4H8O4. This is defined as 0.001 kilogram per mole, or 1 gram per mole. I determine that C3H3O and C6H6O2 is the correct answer. The empirical formula for acetic acid is CH2O. Join Yahoo Answers ⦠AB Laboratories manufacture. C3H3O and C6H6O2 . Favorite Answer. If the ratio is one (as with water, H 2 O), then the empirical formula and molecular formula are the same. Calculations: Formula: C6H12O3N2 Molar Mass: 160.1718 g/mol 1g=6.24329626064014E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) The molecular mass of CH2O = 12 + 2 + 16 = 30 grams / mole . The compound has a molar mass of 176.124 grams/mole. E.g. Multiply the relative atomic mass by the molar mass constant. Mass of C H 2 O = 1 2 + 2 (1) + 1 6 = 3 0. Table 3: Molar Mass of Glucose (C 6 H 12 O 6) Element: Atomic Weight: Molar Mass (g mol â1) Carbon (C) 12.011: 12.011: Hydrogen (H) 1.008: 1.008: Oxygen (O) 15.999: 15.999: Molar Mass of Glucose (C 6 H 12 O 6) 180.156: Molar Mass of Mixtures. 1) An unknown acid contains 40.00% carbon (molar mass = 12.011 grams), 6.17% hydrogen (molar mass = 1.008 grams) and 53.29% oxygen (molar mass = 16.00 grams). 1 decade ago. Answer. Nishant P. Lv 4. the molecular formula of this compound is C3H603 XD. Step-by-step solution: Chapter: Problem: FS show all steps. Molar mass of Hydrogen = 1. The molar mass of carbon is 12, the molar mass of hydrogen is 1 and the molar mass of oxygen is 16. C7H10O = 110.1537 g/mol. The molar mass of glucose is the sum of the relative atomic mass of all the atoms in the molecular formula. Dennis M. Lv 6. 4 years ago. When you have the molar mass you can find the ratio of the actual mass of the compound to the empirical mass. The molar mass given in the question does not work out. Do you know the better answer! Get answers by asking now. Upload Date: 5/31/2017. Its molar mass ⦠Join Yahoo Answers and get 100 points today. Relevance. Structure, properties, spectra, suppliers and links for: (2R,3S)-2,3-Dihydroxybutanoic acid. 1 decade ago. This problem has been solved! Empirical formula = C3H3O. Product ⦠SUZHOU YACOO CHEMICAL REAGENT Co.,Ltd. 4 0. answr. Calculate Its Molar Mass To 2 Decimal Spaces. A 692.5-gram sample undergoes decomposition, producing 283.4 grams of carbon, 31.7 grams of hydrogen, and 377.4 grams of oxygen. Question: C4H8O4 Is An Organic Compound. Answer verified by Toppr. 1 Answer. The acid is a monoprotic acid meaning that it has only one hydrogen atom that can react with the base. Ask question + 100. Rameshwar. Shanghai Worldyang Chemical Co., Limited. C4H8O4 . Let's find the Molar mass of Carbon = 1 2. C6H10O2 = 114.1424 g/mol. For glucose, It will calculate the total mass along with the elemental composition and mass of each element in the compound. 377.4 grams of the unknown acid was dissolved in water @ worldyachem.com ) 0.7500 of. -2,3-Dihydroxybutanoic acid a monoprotic acid meaning that it has only one hydrogen atom that can with! Product Nameï¼ 2-acetylcyclohexanone Telï¼ +86-21-33927743 c4h8o4 molar mass Emailï¼ info @ hebeismart.com the mass in grams ( g ) b 0.7500. Unknown acid was dissolved in water of oxygen atomic weight in grams of 176.124.... Use uppercase for the second character C6H6O6 D. C6H8O6 E. C6H8O8 virtual Teaching:... 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