1. Butyric acid is a fatty acid occurring in the form of esters in animal fats. A sample of butyric acid contains 54.53 g C, 9.15 g H, and 36.32 g O. The molar mass of butyric acid is 88.11 g/mol. Determine (a) and (b). Show your work.  A. Empirical formula of butyric acid  B. Molecular formula of butyric acid

Q: 7. (NH)2Cr2O7 Element # atoms Atomic mass (g/mol) Total (g/mol) H. Cr Total Molar mass La Display…

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Q: Please provide all the work in detail because I will be using this to study

A: Amount of C = 0.532 g Number of mol of C = given mass / molar mass = 0.532 g / 12.011 g/mol = 0.044…

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A: Theoretically, two moles of ethanol (C2H5OH) are required to produce one mole of oxygen gas from an…

Q: b) In a second experiment to verify the value of x, the pharmacist heated a 3.752g sample of the…

A: Given, mass of sample of lysine hydrate =3.752 g mass of sample after heating =  3.278 g

Q: Martha sees a vile in her chemistry lab with the label C6H5O7. Her professor tells her it is…

A: Given formula: C6H5O7

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Q: Given 0.680 moles of Ca(NO3)2; calculate the formula units of Ca(NO3)2 in this amount.…

A: Given Moles of  Ca(NO3)2  = 0.680 moles

Q: A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and  0.440 g of…

A: To answer this first of all we have to convert grams into moles and we have to determine the simple…

Q: Why is the mole an important unit to chemists?

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Q: Calculations Using the Mole Learning Goal: 2.32x1023 13C atoms To learn how to convert grams to…

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Q: 5) 0.7971 g of molecule, X, is found to contain 3.0 x 1022 atoms. Deduce the identity of X. Given N…

A: Given: Mass of X2 = 0.7971 g Atoms of X2 = 3.0×1022 NA = 6.023×1023 mol-1

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Q: Please answer questions 1 & 2 and show your work. 1. A 0.77 mg sample of nitrogen reacts with…

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Q: 50 Soap, vitamin Cand orange juice The main constituent of soap has a formula C18HON The formula of…

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Q: 2. A compound composed of carbon and hydrogen with the formula CxHy was burned. The balanced…

A: The reaction is,  2CxHy +13O2--->8CO2 + 10 H2O Now we have to divide above equation by, 2 we get,…

Q: Using your correct formula for copper chloride writes a balanced equation for the reaction that took…

A: Given : mass of copper chloride = 1.750 gram  To find : balanced chemical equation.  Solution : As…

Q: What is the molecular formula of each compound? (Type your answer using the format C6H12O6 for…

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Q: n the Dehydration of Inorganic Salt Hydrate, the weight of the dehydrated Epsom salt is 0.258 g and…

A: Given : Weight of dehydrated epson salt = 0.258g Mass of water = 0.26g

Q: A 6.95-g sample of Barium Chlorate, Ba(ClO3)2, contains __________ mol of this compound.   a 31.8…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: 2. Butane has the formula C,H10. Calculate butane's theoretical molecular mass from the periodic…

A: We have to calculate the molar mass of Butane, C4H10 .  We know that,  Atomic mass of carbon atom =…

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A: 2.558 g of sodium carbonate gives 0.948 g of anhydrous sodium carbonate. mass of water hydrate in…

Q: The bitter-tasting compound quinine is a component of tonic water and is used as a protection…

A: Data given: Mass of the sample = 0.487 g Mass of carbon dioxide produced = 1.321 g Mass of water…

Q: Vitamin C has the formula C6H8O6. Calculate the number of vitamin C molecules present in a 0.250-g…

A: Vitamin C, also called ascorbic acid, seems to be a water-soluble vitamin contained in citrus fruits…

Q: A 1.67 mg sample of a compound containing carbon, hydrogen, and oxygen underwent combustion…

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…

Q: Which would contain 9.03 × 1023 oxygen atoms? Avogadro Constant = 6.02 × 1023. 3.0 mol H2O   0.75…

A: This problem can be solved by knowing that one mole of substance consists of 6.022×1023 particles.

Q: How many moles is 1.845 g of calcium oxalate monohydrate, Ca(C204) H20? Report your answer in…

A: We need to find moles of calcium oxalate monohydrate Number of moles =(mass of given…

Q: The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hydrogen, and…

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Q: sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. a. Record each step needed to calculate the…

A: We have given that  A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g  calculate the moles and…

Q: O Hydrated magnesium phosphate has the formula Mg,(PO.),-yH,O. A sample of this compound contains…

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Q: (d) Ethanol can be made by the reaction of ethene with steam. C,H, H,0 - C,H,OH Calculate the mass…

A: Given reaction:   C2H4+H2O →     C2H5OH   mass of ethene=1.0 kg   Relative atomic masses:C=12, H=1,…

Q: 1.)If 5.00g of iron (III) chloride hexahydrate us completely dehydrated, he many grams of anhydrous…

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Q: Radioactive sodium pertechnetate is used as a brain-scanning agent in medicine. Quantitative…

A: Given : Mass of compound = 0.896 g Mass of Na = 0.111g Mass of Tc = 0.477 g

Q: What is the theoretical mass in grams of Cu2S, 159.16 g/mol, formed from 7.92 moles of copper?…

A: According to the stoichiometric calculation, 2 mole of Cu on reaction with S, will form one mole of…

Q: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl.  Another sample of…

A: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl. Another sample of the…

Q: 1. Acetone is a well-known industrial solvent with a molecular formula of: C3H60. Calculate for its…

A: Given, the molecular formula of acetone = C3H6O We have to find the formula weight of acetone and…

Q: The formula of cupric sulfate is? A. Cu(SO4)2 B. CuSO3 C. CuSO4 D. Cu(SO3)2 Q2: A silicon chip has a…

A: Cupric means copper in +2 oxidation state and the chemical formula of sulphate ion is SO42-

Q: 7. A compound is composed of carbon, hydrogen and oxygen. It was analysed and the folloWIng results…

A: The empirical formula can be calculated as follows Mass of oxygen = mass of sample - mass of carbon…

Q: Complete combustion of 7.70 g of a hydrocarbon produced 23.7 g of CO2 and 10.9 g of H2O. What is the…

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Q: 1. Vitamin C has the formula C,H,Og. Calculate the number of vitamin C molecules present in a 0.250…

A: 2.) We are having 0.1 g of caffeine (C8H10N4O2) Molar mass of caffeine  = 194.2 g/mol

Q: Substanc Molar Mass (g/mol) e 14.01 16.00 Al 26.98 Fe 55.85 FesNz -195.57 AIN 40.99 Directions: Use…

A: No of moles is Mass of substance divided by its Molar mass

Q: Studen 3 data: weight of SA: 2.083 g and weight of aspirin: 2.122 Using ONLY the results from…

A: According to the question,               Weight of salicylic acid=2.083 g               Weight of…

Q: A hydrocarbon has a MW of 114 g/mol and has a composition of carbon 84.06% hydrogen 15.94%. What is…

A: Given  % of C = 84.06% % of H = 15.94% MW = 114 g/mol To find 1)empirical formula 2) True formula.

Q: (d)Using the formula Mn(ClO₄)₄ (MM = 452.74), what is the percent by mass of Cl in the compound?…

A: Number of moles = mass / molar mass  % by mass =( mass of Cl atoms in Mn(ClO4)4 / mass of 1 mol of…

Q: C. Calculate the number of atoms or molecules in each of the following samples. 19) 0.357 moles of…

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Q: 2.20 Fluorite, a mineral of calcium, is a compound of the metal with fluorine. Analysis shows that a…

A: Mass percent is a method of expressing concentration of the solution.   amount of substance present…

Q: Use the information given to you  below to solve/calcualte the rest of the table. Please show all…

A: Given : Formula of Hydrate: CuSO4*5H2O Weight of Hydrate and Evaporating Dish = 63.961 g Weight of…

Q: If Epsom salt, MgSO45H2O, is heated to 250°C, all the water of hydration is lost. A student heats a…

A: Given : Mass of MgSO4 produced = 0.901 g And mass of hydrated salt used = 1.687 g

Q: 1. What is wrong with each of the following setups? NOTE: There may be nothing wrong or multiple…

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Q: Please provide your answer to two decimal places and show your work. Hischierite (Hh) has a molar…

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