4Fe(CrO2)2 + 8 K2CO3 + 7 O2 --> 2Fe2O3 + 8 K2CrO4 +8CO2  Calculate the percent yield of Fe2O3 (MW=159.70 g/mol) if 1.75 grams is obtained from the reaction of 12.7 g of Fr (CrO2)2 (MW= 223.85 g/mol) and excess K2CO3 and O2?

Q: 3 H2O2 (aq) + CH3OH (aq) —> 5 H2O (L) + CO2 (g) If 100 mL of 0.50 M H2O2 and 100 mL of 0.50 M CH3OH…

A: Given reaction ; 3H2O2 (aq) + CH3OH (aq) —> 5H2O (L) + CO2 (g)  Given volume of 0.50M H2O2  =…

Q: A student mixes 50.mL of 0.15 M Na2CO3 and 50.0 of 0.15 M CaCl2 and collects 0.68 g of dried CaCO3.…

A: Given,  Molarity of Na2CO3 = 0.15 M Volume of Na2CO3 = 50.0 mL Molarity of CaCl2 = 0.15 M Volume of…

Q: 6. Determine the percent yield if 10.0 grams of carbon-dioxide is produced in the combustion 50.0 g…

A: As per guideline we are supposed to answer first question from the two questions The balanced…

Q: Q2-What is the number of grams of Cas(PO4)2 and grams of KCI can be produced by mixing 5g of CaCl;…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: & When 15.00 g of KCIO: is heated it decomposes. Give the percentage yield 3.09 g of Ois produced at…

A: Mass of KClO3 = 15.00 g Actual yield of O2 = 3.69 g Molar mass of KClO3 = 122.55 g/mol

Q: 4 Fe(CrO2)2 + 8 K2CO3 + 7 02 ----> 2 Fe203 +8 K2CrO4 + 8 CO2 Calculate the percent yield of Fe203…

A: To solve this problem first we calculate the theoretical yield of Fe2O3 . Then percentage yield will…

Q: The questions below refer to the equation: 3 Cu(s) + 8 HNO3(aq) · ---------> 3 Cu(NO3)2(aq) + 2…

A: 3 moles of Cu produces = 2 mol of NO  3 moles of Cu needs = 8 mol HNO3 a) given moles of Cu = 4…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

A: The reactants given are Na2CO3 and CsC2H3O2 (aq).

Q: 15.50 g of NH4Cl reacts with an excess of AgNO3.  In the reaction 35.50 g AgCl is produced. What is…

A: The balanced reaction taking place is given as, => NH4Cl + AgNO3 ------> AgCl + NH4NO3  Given…

Q: Oa is required for complete Combustion

A: Number of moles = mass/molar mass  Mass = moles × molar mass

Q: consider the reaction below 3 Mg (s) + AI203 (s) > 2 AI (S) + 3 MgO(s) if 68.9 g of AI2O3 (S) are…

A: Given mass & molar mass--> mass of Al2O3=68.9 g molar mass of Al2O3=102 g mol-1 molar mass of…

Q: For the experiment " limiting reactant " and after filtering the precipitate, you checked the…

A:

Q: When 40.0 g of copper are reacted with silver nitrate solution      Cu  +  2 AgNO3  -->  Cu(NO3)2…

A: Solution:     Percentage yield shows the amount of product actually formed compared with the amount…

Q: Consider the following reaction:       Mg(OH)2(aq)  +  2 HNO3(aq)  -->  Mg(NO3)2(aq)  +  2 H2O(l)…

A: Number of mol = Mass/Molar mass % Yield = 100 x Obtained amount/Calculated amount

Q: [Review Topics] What mass of HC1, in grams, is required to react with 0.930 g of Al(OH)3? Al(OH)3…

A: What mass of HCI, in grams, is required to react with 0.930 g of Al(OH)3 ? Al(OH)3(s)  + 3HCl(aq)…

Q: For the neutralization reaction H2SO4 + 2NaOH-> Na2SO4 +2H2O, how many grams of H2SO4 are needed…

A: The given reaction is :                   Molar mass of NaOH = 40 g/mol Molar mass of H2SO4 =…

Q: 35 grams of N2 is added to 3.5 grams of H2  in the reaction                           N2    +…

A: Given reaction is,  N2    +    H2    ----------->       NH3 Mass of N2=35g Mass of H2= 3.5 g

Q: Determine the moles of HCI produced when 36.1 grams of Cl, reacts with H, according to the following…

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Q: student dissolves a 4.56g sample of calcium sulfate in water and adds oxalic acid to precipitate out…

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Q: How many molecules of F2 are needed to produce 6.52g of NaF in the reaction below?  2 NaBr + F2 -->…

A: Given that , Weight of NaF = 6.52 g  Molecular mass of NaF = 42 g/mol

Q: 38.1 mL of 0.319 M CaCl2 mol Cl":

A: The answer will be 0.0244 moles of chloride ions. All calculation required to find out the moles of…

Q: (IIIwith carbon to give iron and carbon monde Fe 2 O 2 (s)+3C(s) 2Fe(s)+3CO(g) How many grams of…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: If 4.5 moles of N_(2) react with 3.5 moles of H_(2) in the following reaction, which is the limiting…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: Lead ions can be precipitated from solution with KCI according to the reaction: When 28.5 g KCI (MM…

A: First of all we have to convert the weight of the reactant to moles in order to find the limiting…

Q: Chromiun metal can be produced by the reduction of Cr2O3 with elemental silicon.  2 Cr2O3 + 3 Si…

A: Given: Mass of Cr2O3 = 350.0 g Mass of Si = 235.0 g Mass of Cr = 213.2 g

Q: One of the challenges astronauts face is in space travel is the build-up of carbon dioxide in their…

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Q: You react 85.6 mL of 0.32 M AGNO3 with excess aqueous K2CrO4. What mass of solid precipitate is…

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Q: The following is a balanced reaction: 2 AGNO3 (aq) + MgCl2(aq) --> 2 A8CI (s) + Mg(NO3)2(aq) If 4.0…

A: Given, balanced chemical reaction is ,                           2 AgNO3 (aq)  +  MgCl2 (aq)…

Q: calculate the percent yield if 1.08 g of copper is produced from 5.66 g of copper(II) sulfate and…

A: Given reaction is  Zn(s) + CuSO4(aq) --> ZnSO4(aq) + Cu(s)          Mass of CuSO4 = 5.66 g…

Q: Balance the following chemical equation (if necessary): Ca(C2H3O2)2(aq) + Na,CO;(aq) → CaCO;(s) +…

A:

Q: Consider the reaction of a 20.0 mL of 0.220 M C H NHCI (Ka = 5.9 x 10°) with 12.0 mL of 0.237 M…

A: Answer:When acid and base solutions are mixed then neutralization reaction takes place and its…

Q: (0) 3AONO3 + 3 AgCI + Fe (NO3)3 Fe Clg -> If 25 grams of AgNOo is add of FeCla. How many grams 45…

A: 3 AgNO3 + FeCl3 ----->  3 AgCl + Fe(NO3)3   If 25 grams of AgNO3 is added to 45g of FeCl3 How…

Q: Be sure to answer all parts. Industrially, vanadium metal, which is used in steel alloys, can be…

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Q: You react 85.6 mL of 0.32 M AGNO3 with excess aqueous K2CrO4. What mass of solid precipitate is…

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Q: What is the limiting reagent when 2 moles of Al are reacted with 2 moles of O(subscript #2)? About…

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Q: You are studying the % CI in FeCl2. You have 5.53 g of Ferrous chloride (FeCl2) sample and after a…

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Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

A: A balanced chemical equation is the one that contains the same count of different types of atoms on…

Q: 2) Balance the following chemical equation: Al(NO:); + Na,S Al,S3 + NaNO ,

A: Note - Since you have asked multiple question, we will solve the first question for you. If you want…

Q: 2HBR + Mg(NO3)2 2HNO3 + MgBr2 If 55.0 g of HBr are mixed with 55.0 g of Mg(NO3)2, determine: (a)…

A:

Q: how many moles of NaCI would be produced if 2.93 grams of Na2CO3 reacted with HCI according to…

A: The balanced reaction taking place is given as, => Na2CO3 (s) + 2 HCI (aq) ------> 2 NaCI(aq)…

Q: how many moles of cobalt (III) bromide are obtained when 11.98 moles of bromine react with excess…

A: The explanation is given below-

Q: A mixture of Mg metal and Zn metal react with excess dilute HCl. Mg(s)+2HCl(aq)-->MgCl2+H2(g)…

A: Let the mass of Mg in the mixture be 'x' and that of Zn be 'y'. So, x + y = 20.0 ---------(1)

Q: I need help with questions 2-5 with guided steps.... I only got help with the first one which I…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Analysis- finding the empirical formula for Co.(C,O.)•cH;O (i.e. what is a,b,c.) 1. Show the…

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Q: Balance the following reaction. If a reactant or product is not present, put a zero (0) in the…

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Q: To be able to produce a small amount of CO2 in the laboratory, 35 mL of 0.11 M Na2C2O4 and 20 mL of…

A: