What is the molar mass of ginkgolide B (C 20H 24O 10), a complex compound isolated from the ginkgo tree? Extracts of the roots, bark, and seeds of the ginkgo tree comprise the most widely taken herbal supplements used today.

Q: a copper sample of mass 500g and purity 80% reacts with dilute nitric acid. a) Write the chemical…

A: Given that: Total mass of copper = 500g  The purity of copper = 80 % To find: chemical equation…

Q: What is the theoretical yield of SO3 produced by 4.58g of S?

A: Balanced chemical equation:2S+3O2 --------------à2SO3From the balance chemical equation,2…

Q: What substances are present, and what are their masses, after the reaction of 10.00 g ofmagnesium…

A: THE IDEA HERE IS THAT CHEMICAL REACTIONS MUST OBEY THE LAW OF MASS CONSERVATION , WHICH STATES THAT…

Q: 18. What is the percentage by mass of carbon in the insecticide Lindane, C6H6C16? * 24.7 % 1.00 %…

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Q: What is the mass percentage of Cl in hydrochlorothiazide, C₇H₈ClN₃O₄S₂?

A:

Q: A crystal of the mineral pharmacosiderite, Fe3(AsO4)2(OH)3•5H2O, contains what percent of  oxygen by…

A: The molecular formula of the crystal pharmacosiderite is = Fe3(AsO4)2(OH)3•5H2O One molecule of the…

Q: 195 kg of H3PO4 was extracted from 310 kg of natural phosphorite. Natural phosphorite Calculate the…

A: Molecular formula of calcium phosphate is Ca3​(PO4​)2​.Its molar mass is 3(40)+2(31)+8(16)=310…

Q: Question attached

A: Mass percent defines the concentration of element present in a compound in a percentage. Basically,…

Q: What is the mass percentage of C in caffeine, C18H10N4O2

A: The mass percentage is calculated by the formula, mass%=mass of elementmass of compound×100

Q: What is the percentage composition of Cr2O3

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Q: What is the Molecular Weight (Molar Mass) of Nutra-Sweet: C,H18N2O5?

A: Molar weight can be calculated by multiplying index of each atom to the atomic mass of atom and add…

Q: The single largest use of phosphoric acid is in the production of fertilizer. How many grams of…

A: We will get stoichiometry of the reaction to get the answer

Q: Write a balanced chemical equation for the hypothetical reaction of liquid dichloromethane, CH2CI2,…

A: Given that : We have to write a balanced chemical equation of liquid dichloromethane, CH2Cl2, with…

Q: complete and balance the following equations

A: To solve this problem we have to balance the given equation then complete and net ionic equation…

Q: What is the limiting reagent in the synthesis of ammonia, NH 3 , from 43 g calcium oxide and 224 g…

A: A limiting reagent is chemical that is present in less quantity in a chemical reaction due to which…

Q: What mass of HCl, in grams, is neutralized by a dose of milk of magnesia containing 3.56 g Mg(OH)2?

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Q: Sulfur compounds are converted to H2SO4 while NO, compounds are converted to HNO3, and NH3 reacts…

A: Since you have posted multiple sub-parts questions, as per our company guidelines we are supposed to…

Q: Fe2S3 -----> 2Fe + 3S What mass of sulfur (S) is produced from the thermal decomposition of 12.5g…

A: Molar Mass of Fe2S3 = 207.9 g Molar Mass of Sulphur = 32.065 g

Q: Chemical formula of Pb2+ and CO32-

A: Chemical formula of a compound can be formed by criss-crossing the valencies of ions.

Q: (a) A hydrated salt, compound A, is analysed and has the following percentage composition by mass:…

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Q: What is the mass percent of phosphorus in P5O2?

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Q: Write a balanced equation for the combustion of isooctane, C8H18, a component of gasoline.

A: The balanced equation for the combustion of isooctane has to be given.

Q: What is the mass percentage of C in caffeine, C₈H₁₀N₄O₂?

A: The concentration of an element in a compound or mixture is represented using mass percent. The mass…

Q: How many tons of Ca3(PO4)2 are necessary to prepare 5.0 tons of phosphorus if the yield is 90%?

A: The reaction can be given as follows: 2Ca3(PO4)2+6SiO2+10C(s)→6CaSiO3+10CO+P4 The given percent…

Q: What are the processes used during the synthesis and purification of cobalt(II) sulphate (CoSO4.7H2O

A: Synthesis of cobalt(II) sulphate (CoSO4.7H2O): Cobalt(II) sulphate can be synthesized by the…

Q: Write the balanced equation for the photosynthesis reaction in which gaseous carbon dioxide and…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

Q: Give the chemical formula for (a) carbonic acid, (b) sodiumcyanide, (c) potassium hydrogen…

A: The composition of a chemical compound can be presented in a very precise was with the use of…

Q: Calculate the mass of oxygen that will be prepared through the decomposition of 50 kg of potassium…

A: Potassium chlorate decomposes into potassium chloride and oxygen. The equation for the balanced…

Q: During combustion, if nitrogen is present in the original fuel, it is converted to N2, not to a…

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Q: What chemical is described as 1MH2SO4?

A:

Q: If 0.232 moles of K[Ag(CN)2], MW = 199.0 g/mol, were used in the recovery reaction above, what mass…

A: Given data :  Moles of K[Ag(CN)2] = 0.232 moles  Molar Mass of Zn(CN)2= 117.4 g/mol  1 mol of…

Q: What is the mass percentage of C in caffeine, CsH1oN4O2? Provide an answer to two decimal places.

A: Mass percentage of Carbon in Caffeine is 6.18%

Q: Heating a sample of Na2CO3⋅xH2O weighing 4.640 g until the removal of the water of hydration leaves…

A: A sample of Na2CO3.xH2O weighing 4.640 g is heated until the removal of water of hydration leaves of…

Q: MCQ 176: The process of decomposition of calcium carbonate (CaCO,) and formation of calcium oxide…

A: Decomposition reaction of CaCO3 is, CaCO3 ----> CaO + CO2

Q: Write out the nuclear energy configuration (energy configuration of protons and neutrons in the…

A: The nucleus is composed of protons and neutrons. General representation for the nucleus is given…

Q: what is the mass percentage of C in hydrochlorothiazide, C7H8ClN3O4S2?

A: Mass percentage=Mass of particular speciesTotal massx100Hydrochlorothiazide molecular…

Q: What is the mass percentage of C in codeine, C18H21NO3?

A:

Q: Write and balance the Chemical Equation: HC2H3O2 + CaCO3→ calcium acetate + H2O + carbon dioxide

A:

Q: How many grams of water would be lost if a 2.000 gram sample of CsF:1½H2O were heated?

A: Given : Mass of CsF.1½H2O = 2.000 g Molar mass of CsF.1½H2O = Atomic mass of Cs + Atomic mass of F +…

Q: What mass of limestone, in kilograms, should be added for 1.00 kilogram of iron ore processed in a…

A: Answer :-  0.118 (kg) Limestrone Mass of Limestone, in kilograms, should be added for 1.00 kilogram…

Q: what is the mass percent of chlorine in C2Cl4F2

A: The given molecule is = C2Cl4F2 The mass percent of chlorine is =?

Q: What mass of sodium hydroxide ,NaOH, would be required to produce 5.97 g of the antacid milk of…

A: Answer :- The balanced chemical equation is -                     2 x 40 g                 58 g…

Q: If 5.3 g of gallium reacts with 5.3 g of oxygen to produce gallium oxide, what will we be left with…

A: Limiting reactant :-  A reactant whose number of moles are less than the number of moles  required…

Q: (ii) Explain why, in the synthesis of nitric acid, the reaction of nitrogen monoxide with dioxygen…

A: Due to the following reason Nitric acid is prepared at high pressure and low temperature.

Q: What is the product of the following reaction? OH 1300 NO2 (a) (b) (c) (d) no reaction occurs NO2…

A:

Q: 6. Consider the following reaction Cas(PO.)2 + 3 H,so, → 3 Caso, + 2 H;PO, a. What masses of calcium…

A: Limiting reagent It is a reagent that will be consumed completely in a reaction and determines the…