Show a balanced chemical equation (including phases). All the calculations expressing your answer to the correct number of significant digits and the correct units. 1. A 550 mL solution of 0.0457 mol/L sulfuric acid is neutralized with 1.87 g of sodium hydrogen carbonate powder. The reaction produces a solution of sodium sulfate, carbon dioxide gas and water. a. Show if the sulfuric acid is completely neutralized? b. What is the mass (in grams) of the excess reactant remaining? c. What is the temperature (in ˚C) if the volume of carbon dioxide produced is 2.05 L at standard ambient pressure?

Q: 6. A 25.00 mL aliquot of concentrated hydrochloric acid (11.7 M) is added to 175.00 ml of 3.25 M…

A: No of moles of HCl in aliquot = Molarity x Volume in L…

Q: Objective KTIOV A chemistry student weighs out 0.0434 g of sulfurous acid (H,SO,), a diprotic acid,…

A: Molarity is defined as number of moles per litre of solution.

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A: A mole of substance weighs its molar mass and contain avagadro number of particle and occupied 22.4…

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A: A stock solution is prepared by dissolving the solute into a solvent. The solution is further used…

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Q: A Chemistry student has to prepare 155 mL of 0.100 M KI in water. She finds a bottle that states it…

A: The required solution is 155 millilitres of 0.100 M KI in water.

Q: You have a 0.561 M solution of magnesium chloride. You pour out 389.8 mL. of this solution. How many…

A: Given that:  Molarity of Magnesium chloride (MgCl2) = 0.561M  Volume of solution = 389.8ml =…

Q: Question attached

A: Molarity of a solution tells us how many moles of solute we get per litre of solution. Molarity…

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A: Molarity is defined as  Molarity = moles of solute / volume of solution in L  Since volume of…

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

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A: It is given that  3% (weight/volume)HCl is made in ethanol solution =3 gm per 100 ml solution…

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A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is defined as…

Q: How many grams of calcium hydroxide are required to completely neutralize 475 mL of 0.48 M…

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Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

A: The concentration of a solution furnishes information about the amount of the substance present in…

Q: please highlight the correct answer

A: The volume of the solution that needs to be diluted is calculated below.

Q: A 10.00 mL sample of a test solution is diluted in an environmental laboratory to a final volume of…

A: The volume of the sample= 10.00 mL The concentration of the sample= c g/L The volume of the diluted…

Q: Why are intensive properties useful for identifying a substance? A:They describe the amount of…

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Q: 13.58 An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (d = 1.114…

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Q: A solution of formic acid , HCHO2 is 23.6 M and has a density of of 1.20 g /mL. What is the…

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A: The gold cyanidation can be described as the cyanide procedure that is used for the extraction of…

Q: solution was standardized using 0.256 g of sodium carbonate. (Na2CO3 = 106 g/mol; HCl = 36.46 g/mol)…

A: Given,  Mass of Na2CO3 = 0.256 g Na2CO3 = 106 g/mol; HCl = 36.46 g/mol) Moles of Na2CO3 = mass/Molar…

Q: calculate the mass percent of your solution. show your calculations

A: Mass percent is the physical quantity used to define the concentration of the species Mass percent…

Q: Mass of the reaction solution, msoln (g) Add together the masses of the NaOH(s), water(100ml) , and…

A: Given that -  Mass of NaOH = 4.0574 g  Initial temperature = 25°C  Final temperature = 37.14°C…

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A:

Q: 7. A 525.0 mL sample of 5.50 M sulfuric acid has a density of 1.49 g/mL. Express the concentration…

A: Mass percentage = 36.20 %

Q: 5.00 mL of stock solution is diluted to 25.00 mL, producing solution ALPHA. 10.00 mL of solution…

A: The dilution series is shown as follows:

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A: Percentage by mass or mass percent (w/w) % is defined as the ratio of mass of a substance to total…

Q: How many grams of calcium cyanide, Ca(CN)2, are required to make 415 mL of a 0.825 M solution? SHOW…

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Q: In a student experiment, the empirical formula of a copper halide was found by adding aluminum metal…

A: Empirical formula is the simplest chemical formula that represents a compound. It is related to…

Q: A student dissolved 1.78 g of magnesium chloride in 0.500 L of water to prepare a solution of…

A: It is given that,in the first flask amount of MgCl2 dissolved = 1.78 gVolume of water = 0.500L…

Q: . What are the two general elution problems? 2. Explain the conditions that causes these problems.

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Q: FREE-RESPONSE QUESTIONS Calculators can be used in this section, A periodic table and formula chart…

A: Given that:  Mass of the dime for 100 mL solution = 2.490 g Wavelength for analyzing the solution =…

Q: Can you actually write this out? It makes it much more difficult to read when it gets written out…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

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A: Diluting solutions having a specific concentration never changes the solute's moles present in that…

Q: A chemist must prepare 0.250 L of 1.00 M aqueous sodium carbonate (Na, CO, working solution. He'll…

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Q: What volume of solution was dispensed from the buret shown below? Make sure that your answer has the…

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Q: A 500 mg sample contains FeCl3 and MgCl2. Ammonia was added to the sample to precipitate the…

A: Introduction: When chloride salts react with ammonia solution, the chloride out from the salt in the…

Q: Most ammonia solutions you can buy at the store are about 35% ammonia by mass. How much of this…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the amount of…

Q: 13.58 An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (d = 1.114…

A: To solve this problem let us consider the volume of the mixture i.e solution = 1000 mL  So the…

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Q: 10. A student reacted dilute nitric acid with lead (II) oxide to prepare lead(II) nitrate. The…

A: Common chemistry laboratory apparatuses : Equipments that are used in experiments are called…

Q: Ingredient Amount Ferrous Sulfate Ascorbic acid 300 mg 10 mg 0.5 mL Orange Syrup Benzoic acid…

A: Answer- Given data- 2.9 g of ascorbic acid.

Q: 7B.

A: Since mass of solute is constant and we are adding water only. Hence the final concentration =…

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A: “Since you have asked multiple questions, we will solve the first question for you. If youwant any…

Q: A student heated a hydrated salt sample with an initial mass of 5.322 g. The sample was heated to…

A: Given : Initial mass of hydrated salt = 5.322 g And mass of salt after reheating = 2.798 g

Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

A:

Q: 4.33 Muriatic acid, an industrial grade of concentrated HCI, is used to clean masonry and cement.…

A: Given Molarity (initial) = 11.7 M Molarity of solution = 3.5 M mass of HCl = 9.66 g

Q: Apollo 13 Lunar Mission You are a NASA engineer. You are the chief engineer for the Apollo 13…

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Q: a. A 250.0-mL solution of sodium hydroxide was prepared by dissolving pure NaOH(s) in deionized…

A: We will calculate mass and concentration using law of chemical equivalence.