In 574 g of a binary substance of molecular formula MO2 there are 1.57 × 1025 oxygen atoms. Therefore, the mass of element M present, expressed in grams, is equal to Avogadro's constant: NA = 6.022 × 1023 mol-1?

Q: A sample of a substance with the empirical formula XCl₂ weighs 0.5984 g. When it is dissolved in…

A: Answer:When solutions of two different substances are mixed and formation of precipitate takes place…

Q: Ca,(PO.) + SiO, +C→ CaSiO, + CO + P

A: The given chemical equation is--- Ca3(PO4)2 + SiO2 + C ------> CaSiO3 + CO + P To balance this…

Q: When you react 3.9267 grams of Na2CO3 · nH2O with excess HCl(aq), 0.6039 grams of a gas is given…

A: Here we are required to find the number of water molecule attached to Sodium carbonate

Q: If 6.1 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂…

A: Given: 6.1 × 10²⁵ molecules of CO₂ are produced in a combustion reaction.  To determine : The mass…

Q: Consider the reaction: 2Fe(s) + O₂(g) → 2FeO(s) Given an initial mass of 19.87 g Fe, an excess of…

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Q: 1.003 g of soduim chloride was recovered in the reaction of Hydrochloric acid + Sodium carbonate →…

A: The reaction of hydrochloric acid with sodium carbonate forms sodium chloride, carbon dioxide and…

Q: Morphine (C₁₇H₁₉NO₃) is a painkiller in the opiate family. A sample of morphine was discovered that…

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Q: Iron(III) oxide reacts with carbon monoxide according to the equation: Fe,0;(6) + 3 CO(g) – 2 Fe(s)…

A: The given reaction is, Fe2O3(s) + 3CO(g)  → 2Fe(s) + 3CO2(g)  Given that: mass of Fe2O3 = 22.55 g…

Q: 5) 0.7971 g of molecule, X, is found to contain 3.0 x 1022 atoms. Deduce the identity of X. Given N…

A: Given: Mass of X2 = 0.7971 g Atoms of X2 = 3.0×1022 NA = 6.023×1023 mol-1

Q: Calculate the theoretical yield of MgCl2 in moles when 0.394 grams of MgO are reacted with 32.5 mL…

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Q: 1. 2.8 g of nitrogen gas reacted with excess oxygen according to the following scheme: N₂ + O2 NO…

A: In the given reaction ->>Weight of nitrogen gas = 2.8 gmActual yield = 3.0 gm

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: The amount of product that can be produced depends only on the amount of the limiting reactant…

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Q: In a combustion reaction between 700.0 mL propane, C3H8 with oxygen gas, O2 at 25 °C, an unknown…

A: The chemical equations should be balanced in accordance with the law of conservation of mass.…

Q: Complete and balance the reaction equation in Figure 7. What is the molecular formula of the salt…

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

A: Balanced chemical equation can be define as the reaction in which number of atoms of all the…

Q: A sample of ore containing manganese weighed 1.2354 grams. This sample was heated in a solution of…

A: A question based on mole concept. A set of data about the ore is given using that the percentage of…

Q: According to the following reaction, how many grams of water will be formed upon the complete…

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Q: sample of 36.74g Sr(HCO3)2 is heated and undergoes the decomposition reaction below. Calculate the…

A: Applying concept of limiting reagent and mole concept.

Q: The balanced equation for the reaction of aluminum metal and chlorine gas is 2Al(s) +…

A: To determine the limiting reactant and the maximum amount of AlCl3 that can be produced, we need to…

Q: A sample of calcium metal of mass 2.0g reacts with excess oxygen. Ca + O2 = CaO You get 2.06g of…

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Q: If 13.2 g of NH3 is collected following the reaction of 2.88 mol NO with,7.00 mol H2, calculate the…

A: Given: Mass of NH3 formed experimentally = 13.2 g. Moles of NO taken = 2.88 mol. Moles of H2 taken =…

Q: The percent yield for the reaction PCl3 + Cl2 → PCl5 is 67.7 percent. What mass of PCl5 would be…

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Q: Morphine (C₁₇H₁₉NO₃) is a painkiller in the opiate family. A sample of morphine was discovered that…

A: Given: When morphine undergoes combustion, carbon dioxide is produced. Mass of mixture            =…

Q: 2. How many grams of oxygen gas must be reacted with excess sulfur dioxide to produce 87.1 g of SO;?…

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Q: by the reaction of hydrochloric acid with manganese(IV) oxide. HCl(aq) + MnO,(s) - MnCl, (aq) + 2…

A: 4HCl (aq) + MnO2(s) ----> MnCl2(aq) + 2H2O (l) + Cl2(g) Mass of HCl = 44.1 g Mass of MnO2 = 43.7…

Q: A mixture consisting of only copper(II) chloride (CuCl₂) and calcium chloride (CaCl₂) weighs 1.0052…

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Q: Consider the following equation: 4 NH3 (g)   +   5 O2 (g)   →   4 NO (g)   +   6 H2O (l) When 6.97…

A: For the given reaction:  4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l)  It is told that oxygen is present…

Q: Aluminum reacts with HCl to produce H2 gas and AlCl3 . Write the balanced equation for this…

A: Initially aluminium(Al) reacts with HCl  to form AlCl3  and H2 gas. Balancing the chemical equation…

Q: For the following reaction, 0.308 grams of hydrogen gas are allowed to react with 42.9 grams of…

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Q: A 3.859 g sample containing impure CuCl2· 2 H20 was heated to constant mass. The sample mass after…

A: The impure sample of CuCl2.2H2O heating to drive off all the water then the mass of the mixture is…

Q: O A mixture consisting of only chromium(III) bromide (CrBr3) and aluminum bromide (AlBr3) weighs…

A: The objective is to calculate the mass percentage of CrBr3 and AlBr3.GivenThe mixture of CrBr3 and…

Q: Morphine (C₁₇H₁₉NO₃) is a painkiller in the opiate family. A sample of morphine was discovered that…

A: Mass % of morphine = Mass of morphine x 100/Mass of mixture

Q: What is the total number of hydrogen atoms on the right-hand side of this chemical equation? 6…

A: Given 6CO2(g) + 6H2O(l) -----> C6H12O6(s) + 6O2(g)

Q: A student synthesizes tin oxide to create a compound with generic formula SnxOy. She does this by…

A: Given : mass of product = 39.10 g           Mass of oxygen= 30.80 g  Molar mass of oxygen= 15.999…

Q: What is the maximum amount of aluminium that can be produced from 102 g of aluminium oxide (Al2O3)…

A: Given, 2Al2O3 →  4Al + 3O2  mass of aluminium oxide (Al2O3) react = 102 g maximum amount (in grams)…

Q: The balanced chemical equation is P₄(s) + 6 Cl₂(g) → 4 PCl₃(g). What is the mass in grams of…

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Q: A 13.2010g sample of hydrated zinc sulfate, ZnSO4 • xH2O), was strongly heated until no further…

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Q: The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many…

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Q: When elemental phosphorus oxidizes, it produces a covalently bonded molecule known as…

A: Given :-  Mass of P4 = 1.33 g  Mass of O2 = 5.07 g   To calculate :-  Theoretical yield of P4O10

Q: If 2.40 grams of cobalt(III) chloride reacts with 300.0 ml of 0.250 M ammonium phosphate, what mass…

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Q: A 35 mL of a Na3PO4 aqueous solution and 35 mL of a BaCl2 aqueous solution were combined to form…

A: 35 mL of Na3PO4 solution reacts with 35 mL of BaCl2 solution to produce 0.520 g of Ba3(PO4)2 .…

Q: In an industrial process, hydrogen chloride, HCl, is prepared by burning hydrogen gas, H2, in an…

A: Mass of a substance can be determined by multiplying number of moles present with its molar mass.…