The formula for lactose is C12H22O11, and the monohydrate is C12H22O11*H2O. What is the percent by weight of lactose in lactose monohydrate? Give your answer to four significant digits as a percentage

Q: Upon combustion analysis, a certain compound was found to contain 83.9% carbon and 16.1% hydrogen.…

A: The molecular formula for the compound is to be determined based on the combustion analysis data.…

Q: Calculate the number of grams of sodium in 8.2 g of each of the following sodium-containing food…

A: Given compounds are : a). NaCl (table salt) b). Na3PO4(sodium phosphate) c). NaC7H5O2 (sodium…

Q: Calculate the molar mass of adrenaline (C9H13NO3), a hormone responsible for regulating heart rate…

A: Since molar mass of any compound is given by  Molar mass = sum of ( Atomic mass of atoms X number of…

Q: What mass of hydrogen gas could be produced from the reaction of 25.5 g of urea and 25.5 g KOH? Give…

A: The given mass of urea = 25.5 g The given mass of KOH = 25.5 g The mass of hydrogen gas produced = ?

Q: mass of fuel

A: Mass = Volume x density 1 g/ml = 1 kg/L Number of moles = mass/molar mass

Q: Your air conditioner has a freon leak and releases 73.1g of C2H2F3C1 into the air every week. If the…

A: Given: The mass of  C2H2F3Cl releases =  73.1 g/week. The molar mass of C2H2F3Cl = 118.5 g/mol.  To…

Q: In the room, the police also found a suspicious amount of CO2 in the air, which is produced when…

A: Combustion reactions of methanol is 2CH4O+3H2O→2CO2+4H2O 2 mole of methanol is producing 2 moles of…

Q: When 6.919 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 21.20 grams…

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Q: How many moles of ethanoic acid (CH3COOH) are formed when 1799.22 g of ethanoyl chloride (CH3COCl ,…

A: The balanced reaction taking place is given as, => CH3COCl (l) + H2O (g) → CH3CO2H (g) + HCl (g)…

Q: How many grams of oxygen do you need to burn 1 lb (454 g) of fat? Enter only a numerical answer, do…

A: Mass of fat to be burned = 1 lb (454 g)  Chemical formula of the fat =C55H104O6

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

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Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: Balanced equation  is a equation which consist of atoms calculation and consider that reactant side…

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: A balanced chemical reaction occurs when the number of the atoms involved in the reactants side is…

Q: A sample of a compound is found to contain 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen. What is th…

A: C: 40 % H : 6.7 % O : 53.3%

Q: What mass, in grams, of NO2 is needed to form 132.9 g of NO? A 3NO2(g) + H20() → 2HNO3(aq) + NO(g) x…

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Q: Determine the percentage composition by mass of each of the elements ( magnessium, phosphorus and…

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Q: Calculate the amount of oxygen, nitrogen, and carbon dioxide that are produced or consumed by the…

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Q: A 52-kg woman has 7.2 x 10-3 mol of hemoglobin (molar mass = 64456 g/mol) in her blood. How many…

A: Given no.of mol of hemoglobin = 7.2×10-3 mol.we know that no. of molecules = mole×Avogadro…

Q: Ascorbic acid (C₆H₈O₆) is also known as Vitamin C. How many molecules of C₆H₈O₆ does a Vitamin C…

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Q: Name hydrobenzion anhydrous FeCl3 acetone Equivalence n(mmol) 1 4.7 1.8 MW(g/mol) m(g) 214.26 162.21…

A: Stoichiometry table

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Hi, as you have posted 2 questions and have not mentioned which one you want us to solve for you.…

Q: How many moles of ethanoic acid (CH3COOH) are formed when 1425.56 g of ethanoyl chloride (CH3COCI ,…

A: Given chemical reaction is  CH3COCl(l) + H2O(g) ----> CH3CO2H(g) + HCl(g) Mass of ethanoyl…

Q: Cellulose, the major component of plant cell walls has an empirical formula of C6H10O5.  One of the…

A: Mass of tree = 3.3×106 kg Cellulose percentage = 45% Mass of cellulose in tree =[ 3.3×106 ×45/100…

Q: Using the following equation how many grams of carbon dioxide do you get from 358 g of glucose.…

A: Reaction :  mass of glucose = 358 g

Q: Using the following equation how many grams of carbon dioxide do you get from 155 g of glucose:…

A: One mole of glucose react with six mole of oxygen and produced six mole of carbon dioxide

Q: Data Unknown sample mass 0.6250 g Mass analyzed 0.6250 g Elements in Sample Combustion Analysis…

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Q: Calculate the theoretical yield of the following experiment. 3.42g of salicylic acid (C7H6O3) was…

A: Amount of product produced from the limiting reagent according to stoichiometric ratio is known as…

Q: 50. Calculate the number of moles in a 10.0 g sample of NaOH. 23 23 a. 0.250 mole b. 1.66 x 10 mole…

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Q: Use the following atomic weights and quantities to calculate the overall % yield of cyclohexanone…

A: Answer:% yield = 104.05 %   Hydoxylamine hydrochlorideCyclohexanoneSodium carbonate…

Q: For unknown compound B, which has the molecular formula C8H5Br3O2, calculate the theoretical amount…

A: The mass of silver bromide can be calculated by taking the molar mass of the given compound and…

Q: You and your co-habitants have plants that consume 440 grams of Carbon during photosynthesis. How…

A: The given data: The mass of CO2 = 440 g To determine = The mass of C6H12O6 (glucose) produced.

Q: Cellulose, the major component of plant cell walls has an empirical formula of C6H10O5.  One of the…

A: Mass of  Lindsey Creek redwood (m)  = 3.3 x 106 kg  Mass of cellulose in this  = 45% of (m)  =…

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

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Q: Which element comprises the lowest percentage composition in C12H22O11? Write that element's…

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Q: List the number of each type of atom on the right side of the equation…

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Q: A mixture was found to contain 1.05g of SiO2, 0.69 g of cellulose, and 1.82 g of calcium carbonate.…

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Q: Calculate the mass in grams of 0.820 mol glycerol (C3H8O3).

A: The amount of glycerol is given as 0.820 mol  Molar mass of glycerol 92.09382 g/mol Conversion…

Q: Be sure to answer all parts.   How many moles are contained in each number of grams of fructose…

A: We have to calculate the number of moles of fructose in a given mass, Using the formula are…

Q: Toluene has a density of  867 kg/m³ and its molar mass is 92.14 g/mol. If 100 mL of Toluene is…

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Q: A chemist is preparing Aspirin (acetylsalicylic acid) using 100 g of salicylic acid and 100 g acetic…

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Q: The mass of Fe2O3 isolated from analysis of 14 tablets was 0.282 g. What is the average mass of iron…

A: Molar Mass of Fe2O3 = 159.69 g/mil Hence, 159.69 g of Fe2O3 contains 55.845 g of Fe.

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: The given chemical equation is  Ca3(PO4)2 (s) + SiO2(s)+C(s) →CaSiO3(s) + P4(s) + CO(g)

Q: Use the following atomic weights and quantities to calculate the overall % yield of caprolactam.…

A: I have calculated and tabulated everything. The solution is uploaded in the explanation…

Q: 2. 5.88 g of hydrated calcium chloride CaCl,•xH,O is treated with excess K2SO4 in a double…

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