What mass of magnesium chloride contains 1.441 mol Cl? Give your answer to two decimal places. Assume answer in grams. (Hint: This problem is easiest to solve when you use Backchain DA method.) 1.44

Q: Wine goes bad soon after opening because the ethanol (CH;CH, OH) in it reacts with oxygen gas (O,)…

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Q: What is the molar mass of the compound Carbon dioxide?   You are expected to know the formula for…

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Q: A chemist prepares a solution of aluminum chloride AlCl3 by measuring out 4.42g of aluminum chloride…

A: Interpretation -  To determine the  concentration ( in mole/L ) of the chemist's aluminum chloride…

Q: Ocean water contains 3.3 %% NaClNaCl by mass. What mass of ocean water in grams contains 43.8 gg of…

A: Mass percent of NaCl = 3.3 %

Q: When performing the gram stain, the the dye safranin is suspended in a 95% ethanol solution. If only…

A: The Answer to the following question is-

Q: Ammonia (NH3) chemically reacts with oxygen gas (O2) to produce nitric oxide (NO) and water (H2O).…

A: The balanced reaction is – 4NH3 + 5O2 →4NO + 6H2O

Q: Wine goes bad soon after opening because the ethanol (CH, CH OH in it reacts with oxygen gas (0,)…

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Q: Liquid hexane (CH, 3(CH,) CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide…

A: The reaction taking place can be written as (C6H14 = CH3(CH2)4CH3 = hexane), => C6H14 + O2…

Q: How many grams of zinc are in 2.055 mol of zinc?

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Q: Calculate the number of carbon atoms in a 80.0 g sample of glucose (C,H1,06). Be sure your answer…

A: Molecular formula =C 6H12 O6 Molar mass =6×12+12×1+16×6= 180gmol-1

Q: A chemist must dilute 0.09 L of 2.98 M aqueous sodium nitrate (NaNO3) solution until the…

A: Initial volume = 0.09 L  Initial Molarity = 2.98 M  Final Molarity = 2.00 M  Final volume = ?

Q: Wine goes bad soon after opening because the ethanol (CH,CH,OH) in it reacts with oxygen gas (0,)…

A:

Q: g and a glass of water has a mass of 0.050 kg. An oxygen atom has a mass of 2.66 × 10 Use this…

A: Answer: Each mole of a specie has number of particles equal to Avogadro number whose value is equal…

Q: A major component of gasoline is octane (CH18). When liquid octane is burned in air it reacts with…

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Q: Liquid octane (CH, (CH3(CH,) CH,) will react with gaseous oxygen (0,) to produce gaseous carbon…

A: Chemical Reaction would be :  C8H18 + O2 --> CO2 + H2O  Mass of O2 = 46.0 g Mass of C8H18 = 100.0…

Q: Calculate the number of oxygen atoms in a 130.0 g sample of glucose (C,H120). Be sure your answer…

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Q: A chemist prepares a solution of potassium chloride (KCl) by measuring out 0.60 g of KCl into a 100.…

A: Given Mass of KCl = 0.60 g Volume = 100 ml

Q: you have 125 g of a certain seasoning and are told that it contains 22.0 g of salt. What is the…

A: Given,mass of salt = 22 gmass of seasoning = 125 gSo,mass percentage of salt in seasoning = (22…

Q: Please report your answer in mL  to 3 decimal places. No units please.

A: The molarity is used to define concentration which is determine as the number of moles of solute…

Q: Use the data below to determine the mmoles of sodium oxalate to 2 decimal places. (MM sodium oxalate…

A: Given : mass of sodium oxalate = 0.093 g             MM of sodium oxalate = 134 g/mol  Tip : moles =…

Q: mass of potassium iodide

A: Moles of potassium iodide (KI) 0.0950 has three significant figures because zeros at the beginning…

Q: How many moles of carbon are in 2.2x1027 atoms of carbon? Round your answer to 1 decimal place.

A: Given data Number of atoms of Carbon = 2.2x1027 atoms Avogadro's Number is NA=6.02×1023 atommole

Q: The chemical formula for propane is: CH₂CH₂CH3 Calculate the molar mass of propane. Round your…

A:

Q: A chemist must prepare 700 mL of 2.00 M aqueous aluminum chloride (AICI,) working solution. She'll…

A: The concentration of stock solution  = 2.69 MThe volume of stock solution needed  = ?     The…

Q: A chemist prepares a solution of calcium bromide (CaBr,) by measuring out 84.7 g of calcium bromide…

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Q: Calculate the number of hydrogen atoms in a 150.0 g sample of ammonia (NH,). Be sure your answer has…

A: Given, Mass of sample of ammonia (NH3) = 150.0 g Number of hydrogen atoms in a 150.0 g sample of…

Q: Calculate the concentration in /molL  of the chemist's barium chloride solution. Round your answer…

A: Given  Moles of Barium chloride is 44umol Volume of solution is 150 mL We have to determine…

Q: Please

A: Molar mass of compound can be calculated by multiplying index to the atomic mass of element and add…

Q: need help with chemistry

A: Number of moles is given by:

Q: A chemist determines by measurements that 0.0350 moles of iodine solid participate in a chemical…

A:

Q: You have been asked to compound 8 capsules of lithium sulfate, containing 6 mEq Li* per capsule. The…

A: Given,  1 capsule contains = 6 mEq of Li+  Molar mass of Li2SO4 = 109.9 g/mole Weight of 8 capsules…

Q: A major component of gasoline is octane (CH18). When liquid octane is burned in air it reacts with…

A: The balanced chemical equation for the combustion of octane is, C8H18(l) + 25/2O2(g) → 8CO2 +…

Q: Calculate the number of oxygen atoms in a 70.0 g sample of vanadium(V) oxide (V₂05). Be sure your…

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

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".