A mixture contains NaHCO3 together with unreactive components. A 1.62 g sample of the mixture reacts with HA to produce 0.561 g of CO2. What is the percent by mass of NaHCO3 in the original mixture?

Q: A chemist dissolves 1.406 g pure platinum (Pt) in an excess of a mixture of hydrochloric and nitric…

A: Concept introduction: According to stoichiometry, the number of moles of each atom on either side of…

Q: Limestone is mostly consist of CaCo, You find that a sample of limestone weighing 153 mg gives 147…

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Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: Answer: Balancing of the reaction is always based on conservation of mass where number of each type…

Q: Hydrofluoric acid solutions cannot be stored in glasscontainers because HF reacts readily with…

A: Consider the given balanced equation as;                                SiO2 s     +      6 HF aq…

Q: Urea (CH,N,0) is a common fertilizer that is synthesized by the reaction of ammonia (NH3) with…

A: Solution- molar mass of the NH3=17 g/molmolar mass of the CO2=44g/molchemical…

Q: Consider the combustion of glucose: C6H12O6(s)  +   6 O2(g)   ®   6 CO2(g)  +  6 H2O(g)   Calculate…

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

Q: A sample of 0.3233 g of an ionic compound containing the bromide ion (Br¯) is dissolved in water and…

A: Given information: Mass of sample = 0.3233 g Mass of AgBr = 0.7017 g

Q: The N in a 0.4984-g sample of organic material is converted to NH4HSO4 by digestion with…

A: Solution: This question is based on mole concept. if we know the moles of Pt then by using…

Q: Consider the reaction 2 Fe2O3 + 3 C 4 Fe +3 CO2. What is the maximum mass of Fe that can beobtained…

A: The given reaction is: 2Fe2O3 + 3C = 4Fe + 3CO2 Molecular weight of Fe2O3 = 160  18 g of Fe2O3 =…

Q: A 0.5620-g sample of an ionic compound containing the bromide ion (Br−) is dissolved in water and…

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Q: For the following reaction, 116 grams of perchloric acid (HClO4) are allowed to react with 31.0…

A: The maximum amount of phosphoric acid that can be formed is calculated as,

Q: Hydrazine, N2H4 , a base like ammonia, can react with sulfuric acid. What mass of hydrazine reacts…

A: Balanced chemical reaction between hydrazine and sulfuric acid is,’ Number of moles of H2SO4 is…

Q: In an aqueous medium, 2.92 g of NaCl (molar mass 58.44 g/mol) reacted with 10.49 g of AgNO3 (molar…

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Q: Assuming 11.5 L of CO2 are produced from this reaction, how many moles of CaCO3 are needed" CaCO3…

A: Converting volume to moles.  No. of moles of CO2 = 11.5 / 22.4 = 0.51 mol

Q: A student analyzes a sample of rock that contains the element calcium (Ca). In the student's…

A: Given that,182.2 mg of the rock produces 120.7 mg of CaC2O4 on treatment of Na2C2O4 We have to find…

Q: A 0.1799 g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was…

A: Here, the unknown organic compound (CxHy) is burnt to produce CO2 gas which further reacts with…

Q: A 0.2121-g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was…

A: Given - Sample of an organic compound,       (CxHy) = 0.2121 gram   Barium carbonate, ( BaCO3) =…

Q: A sample of 0.3220 g of an ionic compound containing the bromide ion (Br−) is dissolved in water and…

A: Calculate the number of moles of AgBr formed. Number of moles = Given massMolar massNumber of moles…

Q: 4) A 11.31 g sample of a competitor's "SonicBloom" fertilizer is analyzed for its phosphorus content…

A: #4(a): Given the mass of fertilizer sample taken = 11.31 g Mass of the P containing precipitate,…

Q: How many moles of lithium chloride, LiCl, will be formed by the reaction of chlorine with 0.06 mol…

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Q: A 12.3 g sample of an alloy of Mg and Al produces 1.66 mol of H2 when added to excess HCl. What…

A: Given: Total mass of alloy = 12.3 g. And moles of H2 produced = 1.66 mol. Assuming that there are…

Q: According to the following reaction, how many moles of phosphoric acid will be formed upon the…

A: The balanced chemical equation for the formation of phosphoric acid is given by

Q: 2. KCIO3 _KCI +_O2 a. Balance the reaction b. What is the reaction type?. C. What is the theoretical…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: The aluminum in a 0.767 g sample of an unknown material was precipitated as aluminum hydroxide,…

A: given: mass of sample of unknown material =0.767 g mass of aluminium oxide produced = 0.143 g…

Q: Al2O3 in g produced

A: Balance reaction:             4 Al + 3 O2 ------->  2Al2O3           molar mass of Al = 27g/mol…

Q: A 0.8830 g sample of a mixture of NaCl and KCl is dissolved in water, and the solution is then…

A: Given : Mass of mixture = 0.8830 g And mass of AgCl produced = 1.913 g Molar mass of AgCl = Atomic…

Q: 2) How many moles of sodium will react with water to produce 4.0mol of hydrogen in the following…

A: Number of moles = mass/molar mass  Mass = moles × molar mass  molar mass of H2O = 18.0 g/mol  At STP…

Q: A 12.3 g sample of an alloy of Mg and Al produces 1.66 mol of H2 when added to excess HCI. What…

A: Given, Mass of the sample = 12.3 g  Mass of H2 gas produced = 1.66 mole  What is the percentage of…

Q: How many grams of Cl2 can be produced from 88.0 g KMnO4?

A: We know that, Number of moles=Given mass/molar mass Mass=Number of moles x Molar mass Molar mass of…

Q: mass in grams of NO

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Q: When a solid mixture of MgCO3 and CaCO3 is heated strongly, carbon dioxide gas is given off and a…

A: % of MgCO3 = (mass of MgCO3 / mass of sample )*100

Q: A 0.8761 g sample of iron ore is dissolved in acid, the iron is oxidized to the +3 state and then…

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Q: Lithium hydroxide solid is used for removing gaseous carbon dioxide exhaled by astronauts in space…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: Calcium carbide, CaC2, is an important preliminary chemical for industries producing synthetic…

A: Given :  CaO + 3 C → CaC2 + CO  amount of C = 10.2 g  To be calculated :  amount of CaC2 (in g)

Q: 1. Which is TRUE for the equation (NH4)2SO4? The equation is balanced. The total mass of the product…

A: Balanced chemical equation is the equation in which equal number of atoms of every element are…

Q: Write the balanced NET ionic equation for the reaction when aqueous CS:PO4 and aqueous AgNOs are…

A: We have the equation as  Cs3PO4 (aq) + AgNO3 (aq) →Ag3PO4 (s)+ CsNO3 (aq)

Q: Sodium tripolyphosphate (or STPP), Na5P3010, is used in detergents. It is made by combining…

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Q: How much of reactant "A" will react with reactant "B"?: For the following reaction, how many grams…

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Q: Consider the balanced chemical reaction below. What is the maximum mass of HCIO3 that can be…

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: A flask containing 450 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of…

A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction. The…

Q: What is the mass of CaCl2 that can be produced from 0.456g of HCI?

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Q: 6._Mg(OH)2 + _H3N→_H20 +_Mg3N2 + heat a. Balance the reaction b. What is the reaction type? C. If…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: ) How many grams of N,0 are formed if 0.359 moles of NH,NO, are used in the reaction?

A: Chemical reaction involved : NH4NO3(s)------> N2O(g) + 2H2O(g) Number of moles of substance  =…

Q: A 0.1799 g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was…

A: Given: Mass of sample = 0.1799 g Mass of BaCO3  = 0.5613 g When a sample of organic compound is…

Q: N2(g)+3h2(g)=2nh3(g) what type of reaction is this?

A: Given: N2(g) + 3H2 (g)----> 2NH3(g)

Q: Write the balanced NET ionic equation for the reaction when aqueous BaCl, and aqueous (NH4)2SO4 are…

A: Steps to write Net ionic equation- Write balanced reaction. Write ions of each aqueous species.…

Q: A 0.1799g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was…

A: The balanced equation for the above process is : CO2 + Ba(OH)2------------->BaCO3 +H2O The amount…

Q: What is the oxidation state of iron (Fe) in the reactant Fe(s)?   What is the oxidation state of…

A: The oxidation state, sometimes referred to as oxidation number, describes the degree of oxidation…

Q: Urea (CH4 N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with…

A: 2NH3 (aq) + CO2 (aq) →CH4N2O(aq) + H2O(l) 136.4kg.       211.4kg.         168.4kg Molar mass of…

Q: How many grams of Ca(NO3)2 can be produced by reacting excess HNO3 with 6.55 g of Ca(OH)2?

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".