Iron, a large component of steel, is obtained by reducing iron (I) oxide (present in hematite ore) with (a) Calculate AG° at 230°C for the reduction of one mole of Fe,O, (b) At what temperature does AG° become zero for the reaction Fe,O, (s) + 3H2 w → 2Fe u + 3H;0

Q: Which microscopic representation best represents a solution?

A: A homogeneous mixture in which two or more substances are mixed is termed as a solution. We have…

Q: how many mL of .536 M CaCl2 are needed to prepare 250mL of 175M aqueous solution calcium chloride

A: The volume required is calculated below.

Q: The concentration of a solution is a microscopic property O True False *

A:

Q: 5 ml of a 50% solution of detergent was diluted with water to a final volume of 200 ml. What is the…

A:

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A:

Q: 34.1 g of calcium chloride, CaCl2, is needed to prepare 0.21 M solution, how much volume of solution…

A: Mass of calcium chloride=34.1g Concentration of solution=0.21M Volume of solution=? Molar mass of…

Q: What is the Molarity when 1.7 moles of solute dissolve in 22 solution? (Round your answer to 2…

A: NOTE : Since the units of volume 22 is not given. Hence I'm assuming it first L and than mL to solve…

Q: What volume in mL of 0.100 M solution would contain 65 mg of ethanol? Report your answer in standard…

A:

Q: Give three examples of solutions and identify the solute and the solvent in them. (Phase: solid,…

A: Solution - A solution is a homogeneous mixture of a solute dissolved in a solvent.  Solute - The…

Q: How can you specify the solution as unsaturated or saturated?

A: Saturated and unsaturated solutions

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A:

Q: as 25.1 mM (millimolar) solution was made using 0.267 L of a 321 mM solution. what is the final…

A: • The values provided in the question are:-  i) Initial concentration of a solution, M1 = 321 mM ii)…

Q: What volume of a 0.1 M Sodium Hydroxide solution could be made with 200g of solute?

A: Given data: Molarity = 0.1M Weight of solute = 200 grams

Q: Which component of the solution which being described below? it identifies the

A: Solution is the Homogeneous mixture of two or more substances.  it identifies the nature of the…

Q: a 34.7 mM (millimolar) solution was made using 0.184 L of a 329 mM solution. what is the final…

A:

Q: Calculate the mass percent of a vinegar solution with a total mass of 98.36 g that contains 2.74 g…

A: Mass Percent  It is the ratio of mass of solute and total mass of solution.  Mass percent of vinegar…

Q: How much waterl in.ml)is needed to prepare a 0.81 M KCI solution from 87 m of a 196M KCl solution?…

A: Given values are, V1 =87mL N1= 1.96 M N2= 0.81 M V2=??

Q: Calculate the morality of a 45.8 percent (by mass) aqueous solution of sodium chloride

A: mass % of the Sodium chloride solution = 45.8 %Molality of the solution = ?Note: Molar mass of…

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A:

Q: What amount of 0.38 M solution can be made from a296mL 4.65 M solution?  Answer should be in L…

A: Given, The amount of 0.38 M solution can be made from a296mL 4.65 M solution is:

Q: A solution is made by addinh 50 mL of ethanol to 180 mLof water. Calculate the percent by volume.

A: The volume of the solute(ethanol)= 50 mL The volume of the solvent(water0=180 mL Therefore, the…

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A: In this question, we will determine the volume of the solution which have 25mL isopropanol and…

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A: When dichromate ion in acidic medium, treated with ferrous ion, then Ferric ion and chromium (III)…

Q: A solution is 6.25% by mass Na2SO4. How many moles of Na2SO4 are in 370.0 g of solution? (SHOW…

A: Mass of Na2SO4 present in 370 g of solution = (6.25 / 100) x 370 = 23.125 g

Q: if a solution containing 3.4 g of potassium chloride in 140 mL of solution is what percent…

A:

Q: Calculate the volume in liters of a 0.21M potassium permanganate solution that contains 400 mmol of…

A: The volume of potassium permanganate in liters is = 1.9 L

Q: Find the amount of alcohol in a 750 mL bottle of wine that is 12% Alcohol

A: To calculate the amount of alcohol in a 750 mL bottle of wine that is 12% alcohol, we need to…

Q: How many milliliters of 9.81 M nitric acid solution should be used to prepare 2.00 L of 0.700 M…

A: Here we use dilution  law   M1V1 = M2V2

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A: Given that the solution is  1.37%  by mass of acetone⇒ 1.37 g  acetone is present in 100 g  of…

Q: How many grams of Na2CO3 is present in 0.680 L of 0.704 M Na2CO3 solution? Do not include unit. Keep…

A:

Q: You need to make 10mL of a mixture of 25 parts of solution A, 24 parts of solution B and 1 mL of…

A: combination (physical)of two or more substances called mixture .In this mixture identity of…

Q: VOLUME PERCENTAGE Solve the given problem and provide a solution. 1. What is the volume percent of…

A: Volume of ethanol = 40 ml  Volume of solution = 225 ml

Q: What is the percentage by mass of a solution made by dissolving 14.8 g of sodium surface in 23.1 g…

A: Given mass of sodium sulfate = 14.8g mass of water = 23.1 g

Q: you prepare Do NOT include units • Round your answer to the hundredths place, include zeros if…

A:

Q: 3. Calculate the mass percent of the solution containing 5.45 g of KCI in 50.0 g of water. 4.…

A: #1) Given that :Mass of NaCl = 5.45 gMass of water = 50.0 gMass of solution = 5.45g + 50.0g = 55.45…

Q: Explain how a supersaturated solution must be prepared.

A: A solution is defined as a homogeneous mixture of two or more substances. A solution of two…

Q: a 64.0mL portion of a 1.60M solution is diluted to a total volume of 238mL. A 119mL portion of that…

A: Consider the given information is as follows; 64.0mL portion of a 1.60M solution is diluted to a…

Q: A ________________ solution is one that contains less that the maximum solute at a given temperature…

A: Given that,  A solution contains less than the maximum solute at a given temperature and pressure We…

Q: Q2 :- how many milliliters of ethanol that dissolved in 400 ml of solution by present 35% ?

A:

Q: How much stock solution AND water is needed to dilute a 2.5M solution onto a 350mL 0.75M solution?

A:

Q: ration [References] Use the References to access important values if needed for this question. An…

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Q: A 20µM solution is prepared by diluting ml of a 0.1mM solution into 500ml of wate

A: Number of moles of solute before dilution is equal to number of moles after dilution  M1V1 = M2V2…

Q: What will be the final volume when 14 mL of a 36% solution is diluted to 12%

A: Given 14 ml of 36% solution dilute to 12%  Dilution law  M1V1 = M2V2

Q: calculate the percent by volume of ethical given 6.55 mL of ethanol in 17.83 mL of solution

A: Given : Volume of ethanol=6.55 mL Volume of the solution= 17.83 mL The percent by volume has to be…