A metal bar weighs 189 lbs. If the bar is 72% iron, 18% chromium, and 10% nickel, what is the weight of iron (in g) in the bar?

Q: (a) In the certain hydrated salt MSO3-4H2O, the mass percentage of H2O is 44.71%. Identify the…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: Enter your answer in the provided box. Hydrogen fluoride is used in the manufacture of Freons (which…

A: Given data : Mass of CaF2 used = 5.75 kg = 5750 g Actual yield of HF = 2.45 kg The molar mass of…

Q: Complete and balance each of the following combustion reaction equations. C(s)+O2(g)→C(s)+O2(g)→…

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Q: What is the mass percentage

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Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A: Given reaction: C7H6O3+C4H6O3⟶C9H8O4+C2H4O2 We have to find the theoretical yield of aspirin…

Q: A 5.276 g sample of Al-Mg alloy is digested in nitric acid (to Al*3 and Mg*²). The solution is…

A: Given: Mass of sample = 5.276 g The solution is diluted = 500 mL three 100 mL of solution titrated…

Q: A student collected the following data in the laboratory: Mass of flask 52.8741 g Mass of flask…

A: Ascorbic acid reacts with sodium hydroxide in a acid base titration reaction. This reaction is also…

Q: Copper(II) sulfate forms a bright blue hydrate with the formula CuSO4⋅?H2O(s) . If this hydrate is…

A: Molar mass of Cu is 63.55 g/mol Molar mass of S is 32.07 g/mol Molar mass of O is 16 g/mol Molar…

Q: City water supplies are fluoridated by adding sodium fluoride to the water. If you live in a city of…

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Q: Aspirin can be prepared from salicylic acid ( C7H6O3), which has a molar mass of 138.12 g/mol, and…

A:

Q: What is a chemical property of sodium?

A: Sodium is an element with atomic number 11 and represented by the symbol Na.

Q: Cs(s) + FeS(aq)

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Q: 3 AGNO, + K,PO, --> Ag.PO, + 3KNO, Describe what is happening Reactants combine into a large one…

A: Given  3AgNO3 + K3PO4 →Ag3PO4 + 3KNO3

Q: OH (d) CN

A: The compound has one carbonyl and one ester groups are present . Now to reduce the ester group…

Q: I already received help with A, B, and C but I still need the explanation and solution to subpart D.…

A: 1 mole = 6.023 * 10^23 atoms = Avogadro No

Q: chemist prepares a solution of magnesium bromide (MgBr,) by measuring out 1.8 g of me mark with…

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Q: Jennifer was a pre-pharmacy student and enrolled in general chemistry laboratory. One day the lab…

A: Here we are required to find the unknown hydrated salt .

Q: You wish to prepare 211 grams of 16.6 % Mg(CH3CO0)2. You will need grams of magnesium acetate and mL…

A: Mass of solution is = 211 g Percent concentration of Mg(CH3COO)2 is = 16.6 % Density of water is =…

Q: An alloy contains 10.8 % titanium by mass and has a density of 13.98 g/cm3. Titanium-49 has an…

A: Number of atoms = 8,926,980,280,926,177,000,000 atoms. Avogadro’s constant = 6.023 × 1023 atoms.…

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A: Given reaction: C7H6O3+C4H6O3⟶C9H8O4+C2H4O2 We have to find the yield of aspirin when 2.10 g of…

Q: A 21.5 g sample of nickel was treated with excess silver nitrate solution to produce silver metal…

A: Write the chemical equation for the given reaction,

Q: Assume the seawater in the world's oceans has a salinity of 3.50% NaCl by mass. Calculate the total…

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Q: 1. As of today Silver is trading at $27.10 per ounce. Recall that 1 ounce = 28g. If we mine 2.5x106…

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Q: The balanced equation below shows a simple way of manufacturing hydrogen gas in lab (you've done…

A: We according the STP condition , 1 mole of gas occupies 22.4 L of volume .   1 mole = 22.4 L  From…

Q: A beaker contains 100.0 mL of water. To it is added 10.0 mL of dilute nitric acid (HNO3). Calculate…

A: Volume of water = 100.0mL  Volume of dilute nitric acid = 10.0mL Total volume = 110 mL  Density of…

Q: Aspirin can be prepared from salicylic acid (C,HO3), which has a molar mass of 138.12 g/mol, and…

A: Calculate moles of Salicylic acid- Mass = 2.25 g Molar mass = 138.12 g/mol Therefore, Moles of…

Q: Lithium metal has an atomic radius of 152 pm. The molar mass of lithium is 6.94 g/mol and Avogadro`s…

A: Atomic radius = 152 pm = 152 × 10-10 cm  Avadagro constant = 6.022 × 1023  per mol  Molar mass of…

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A:

Q: You are given a crushed sample that is a mixture of limestone (calcium carbonate), lime (calcium…

A: As we are given with the sample which consists a mixture of calcium carbonate, lime and sand, and we…

Q: The empirical formula of a gaseous fluorocarbon is CF2. At a certain temperature and pressure, a 1-L…

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Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

A:

Q: The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane…

A: The objective of this question is to calculate the amount of carbon dioxide produced when a certain…

Q: - ] 3 Consider the reaction 1205(g) + 5 CO(g) → 5CO2(g) + 2(g) 80.0 grams of iodine pentoxide, 1205…

A: Number of moles is calculated by dividing the given mass with molecular mass. In the given question…

Q: of Br2, in grams, is required for complete reaction with 9.56 g of A g Br2 of white, solid Al,Bre is…

A: Given,  Balanced chemical reaction,  2Al + 3Br2 ----> Al2Br3 Mass of Al = 9.56 g Molar mass of Al…

Q: 410.0 mL of a 4.8 mol/L silver nitrate (AgNO 3 ) a reaction flask. Calculate the mass in kilograms…

A: Given Mass of silver nitrate =m g  Molar mass of silver nitrate = 169.87 g/mol Moles = Mass ÷  Molar…

Q: In theory, how could one use silver nitrate (AgNO3), water, and aluminum wire to increase his or her…

A: To increase wealth we need can make some changes in available compounds to increase their value.…

Q: A miner’s lamp burns acetylene (C2H2) that is produced from water dripping onto solid CaC2. The…

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Q: (c) In the core of the modern Sun, the density is about 1.25 x 105 kg/m³. What is the concentration…

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Q: Adding helium to a balloon increased its volume from 479.9 mL to 2.961 L. If the final number of…

A: Given: Initial volume =  479.9 ml Final volume = 2.961 L Initial moles (n1) =? Final moles = 16…

Q: What is the mass of 3.5 x 10^-3 molecules of copper (II) carbonate? Use correct significant figures…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Classify the solid state of the following substances as ionic crystals, covalent crystals, molecular…

A: Solids are classifed as Ionic solids, covalent solids, molecular solids and metallic solids. This…

Q: You have a solid mixture that contains lithium bromide and barium carbona. Use the Handbook of…

A: Given that a solid mixture of two metal salts : lithium bromide (LiBr) and barium carbonate (BaCO3)

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A:

Q: Pyrite (FeS2) can be leached by oxygen in sulfuric acid solution to form ferric sulfate. Write the…

A: A balanced reaction is the reaction in which equal number of atoms are present on both the sides of…