A geologist brought in a sample of ore containing Fe(HCO3)3 and some other, unreactive material. If the sample weighed 1.394g, and after decomposition weighed 0.978g, what is the percent Fe(HCO3)3 of the sample?

Q: 3. Given the following reactants, predict the expected products and balance the chemical equation.…

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Q: If 1.03 mole of NiCl2 is mixed 1.52 mole of K3PO4, how many moles of Ni3(PO4)2 will form?

A: Moles of NiCl2 = 1.03 Moles of K3PO4 = 1.52 Moles of Ni3(PO4)2 =?

Q: What is the theoretical yield of MgO from the combustion of 5.25 x 10^23 atoms of Mg and 4.69 x…

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Q: The action of dilute nitric acid on copper is represented by the equation: Cu + HNO9->…

A: Given-> Weight of HNO3 = 250.0 gm Cu(s) + HNO3-----> Cu(NO3)2 + H2O + NO

Q: (d) Consider a 1.0000 g sample containing 75% potassium sulfate and 25% MSÓ4. The sample is…

A: given, mass of sample = 1.0000 g

Q: Barium metel was quantitatively precipitaded from 1.52g sample of BaCl2+2H2O. The mass of the barium…

A: Mass percentage = (mass of solute / mass of solution) x 100%

Q: A 13.82 gram sample of commercial vinegar being shipped to your salad dressing manufacturing plant…

A: From given datas  Initially we are calculating % of acid (in vinegar) and from that actual value we…

Q: Using a mass of 1.70 g baking soda you started with initially, calculate the mass (g) of solid…

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Q: A powder contains FeSO 7 H₂O (molar mass = 278.01 g/mol), among other components. A 3.630 g sample…

A: The objective of this question is to determine the mass of FeSO4.7H2O in a 3.630 g sample of a…

Q: Write the balanced NET ionic equation for the reaction when aqueous BaCl and aqueous (NHa)2SOa are…

A: Balanced molecular equation for aqueous BaCl2 and aqueous (NH4)2SO4 to give aqueous NH4Cl and solid…

Q: A 0.6247g sample of an ionic compound containing the bromide ion (Br-) is dissolved in water and…

A: Bromide ion reacts with silver nitrate and silver bromide is precipitated during this reaction.  The…

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

A: Given reaction is, K2SO4(aq) + FeCl3(aq)--------->??

Q: When 2.50g Iron (II) hydroxide is treated with 2.50g of phophoric acid. 1.99g of iron(II) phosphate…

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Q: A sample of manganese weighing 1.743 g is dissolved in 4.00 M HCl. What (minimum) volume of HCl is…

A: In this question we will apply the concept of redox reaction and we will write the balanced chemical…

Q: A mixture is prepared by adding 25.5 mL of 0.200 M Na3PO4 to 37.7 mL of 0.126 M Ca(NO3)2. (a) What…

A: Given: The volume of Na3PO4 (V1)= 25..5 mL = 0.0255 L The volume of Ca(NO3)2 (V2)= 37.7 mL = 0.0377…

Q: What is the molecular weight of Fe (OH)3

A: Molecular weight of the compound is a quantity computed by multiplying the atomic weight (in atomic…

Q: Balance the following chemical equation: Fe2(SO4)3 КОН -> K2SO4 + Fe(OH)з

A: Balance chemical equation

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

A: The reagent which is completely consumed in a reaction is known as limiting reagent.  It also…

Q: The zinc in a 1.199 g sample of a foot powder was precipitated as ZNNH,PO4. Strong heating of the…

A: Given :  Mass of foot powder = 1.199 g  Mass of Zn2P2O7 produced = 0.4089 g

Q: c) Iron (III) hydrogen phosphate, Fe2(HPO4)3

A: Given compound is :  Iron(III) hydrogen phosphate = Fe2(HPO4)3  a). What is the oxidation state of…

Q: OCH3 OCH3 CH;O COCI CH,N2 CH;0 NH,, in aqueous СОCHN> AGNO3 OCH; OCH; diazoketone OCH3 OCH3 LIAIH4…

A: In this reaction   first   acidchloride converted into diazoketone. Then after  converted into…

Q: alculate the theoretical yield of (in grams) of Ca3(PO3)2 when 7.15 g of calcium hydroxide reacts…

A: The balanced equation is: 3Ca(OH)2 + 2H3PO4 → 6H2O + Ca3(PO3)2   The given mass of Ca(OH)2  = 7.15 g…

Q: The total mass of 20 iron-containing tablets used in nutritional disorders is 22.131 g, and they are…

A: The question is based on the concept of quantitative estimation. we have to quantitatively estimate…

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

A: Interpretation- Balanced molecular equation between Fe(NO3)2(aq) and KOH(aq) is to be written.

Q: Silver tarnishes in the presence of hydrogen sulfide and oxygen because of the following reaction:…

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Q: In the following reaction, Mn(s) + 2CuCl (aq)--> 2Cu (s) how many moles of MnCl2 would be produced…

A: The given reaction is, Mn(s) + 2CuCl (aq) → 2Cu (s) + MnCl2  Given that: number of moles of CuCl =…

Q: A 0.51960.5196 g solid sample containing a mixture of LaCl3LaCl3 (molar mass = 245.26 g/mol) and…

A: The reactions of LaCl3 & Ce(NO3)3 with KIO3 are represented as follows: LaCl3 +3 KIO3  →…

Q: A piece of aluminum foil (Al foil) 1.00 cm square and 0.550 mm thick is allowed to react with…

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Q: Silver tarnishes in the presence of hydrogen sulfide and oxygen because of the following reaction:…

A:

Q: Balance the following equations.

A: Steps to balance a chemical equation        1. Write unbalanced equation         2.  Make a list…

Q: 1. H2SO4. The resulting solution contained excess acid and required 15.85 mL of 0.09850 M NaOH for…

A: The balanced equations are   CaCO3 + H2SO4 ----------> CaSO4 + CO2 + H2O    H2SO4 + 2 NaOH…

Q: 7. Balance the equation : Al(NO3)3 + Na 25 Al2S3 + NANO3 ->

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Q: H2 is produced by the reaction of 135.1 mL of a 0.7451 M solution of H3PO4 according to…

A: Balanced chemical equation: 2Cr+2H3PO4 ⟶  3H2  +  2CrPO4 Since Cr is in excess, so, H3PO4 is the…

Q: The calcium from a sample of limestone weighing 699mg was precipitated as CaC2O4 and ignited to CaO…

A: The ignition of calcium oxalate can be described as follows: CaC2O4  →  CaCO3  + COCaCO3   →  CaO  +…

Q: How many grams of Mn2+ are present in 4.65 grams of manganese(II) hydroxide?

A:

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

A: In this i will suppose both th is e cases . One in which Bacl2  is limiting reagent and second in…

Q: The valuable compound diborane, B,H, can be made by the reaction 2 NABH, (s) + I,(s) → B,H,(g) + 2…

A: Theoretical yield is the maximum amount of product that is fromed from given amount of the…

Q: Aluminum reacts with oxygen to form aluminum oxide. What is the correct balanced reactions?

A: Aluminum reacts with oxygen to form aluminum oxide. Al has +3 charge whereas O has -2 charge over it…

Q: What type of gravimetric method was used? What is the weight percent of Al in the sample? What is…

A: Solution: Here the Precipitation technique use to find out percentage of the  each metal ptrsent in…

Q: When 1.5173 g of an organic iron compound containingFe, C, H, and O was burned in O₂, 2.838 g of CO₂…

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: 5. (a) What do you mean by 'atom economy' of a reaction? How does atom economy differ from % yield?…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".