You work as an intern at a drug testing facility. The head scientist asks you to prepare 50.0 milliliters (ml) of a 0.625 M (molar) solution of FeCl3 he needs for a Trinder spot test, used to detect salicylates. How many grams of solid FeCl3 will you need to make the solution?

Q: DESTINE A student weighs out a 5.95 g sample of (NH4),PO4, transfers it to a 300. mL volumetric…

A: Given that -  Mass of ammonium phosphate Solute = 5.95 g  Volume of total Solution = 300 mL    Then…

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 0.13 g of FeBr, into a…

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Q: In the lab, a student makes a solution of CaCl 2 by dissolving 9.0 grams of solid in 425 mL of…

A: We have given that  Mass of CaCl2 = 9 gram  Volume of solution = 425ml = 0.425L  We know that…

Q: A solution is made by adding 15.62 g of Ba(OH)2 to water until the solutions volume is 250.0 mL.…

A: Number of moles of Barium hydroxide can be calculated as follows: No. of moles  = massmolar massNo.…

Q: If 60.13g of Nb(s) are added to 125.0ml of a 5.96mL of a 5.96 M solution of HClO4(aq), what is the…

A: Given that -  Mass of Nb(s) = 60.13 g  Volume of HClO4 Solution = 125.0 mL  Molarity of HClO4…

Q: If you were asked to make a 100.0 mL solution with 36.15 g of potassium permanganate (KMnO4), what…

A: The given mass of KMnO4 = 36.15 g The desired volume of the solution = 100.0 ml   Given molar…

Q: A student prepares 2.0 liters of an aqueous solution of calcium carbonate (molar mass = 100.09…

A: The objective of this question is to calculate the molarity of a solution prepared by dissolving a…

Q: A 9.47 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

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Q: Given the acid base reaction between hydrochloric acid and ammonia, we obtain a white ionic solid…

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Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: What is the molarity of a solution with 0.30 grams of solute and a volume of 6,680.0 mL?  The solute…

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Q: 5) How much water would you need to add to 10.0 ml of a 16.0 M solution in order to make a 0.050M…

A: Hello. Since multiple questions have been posted, the first question shall be only solved in this…

Q: How many moles of hydrochloric acid (HCl) are

A: no.of moles f solute per 1 litre solution is molarity (M)  M = n / V(in L)   n = M x V(in L)     HCl…

Q: What is the molarity of a solution made by dissolving 37.2 g Fe(NO3)3 in enough water to make 200.0…

A: As you not specified so I am giving answer of 1 question Given mass =37.2gm Molarity mass= 242g/mol…

Q: A student dissolved 0.169 mol of sodium sulfate, Na₂SO4 (molar mass = 142 g/mol), in water to…

A: Molarity of solution can be calculated using the formula: Molarity = moles of Solute/ Volume of…

Q: Calculate the molarity of the two solutions. The first solution contains 0.400 mol of NaOH in 2.80 L…

A: 1) molarity  = moles of solute / volume of solution in L Since volume of solution in L = 2.8 L And…

Q: Calculate the molarity of an acetic acid, HC2H3O2, solution made with 7.259 g of HC2H3O2. The…

A: we have to calculate the molarity of solution

Q: e molar concentration

A: solution:

Q: 40.0 g of BaCl, is added to 1.0 L of 0.50 M of AgNO,. The following reaction occurs: 2 AgNO3(aq)+…

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Q: The mass percent of acetic acid (CH3COOH) in a bottle of vinegar is 5.45% in water. What is the…

A: Consider the volume of the solution as 1 L (1000 mL).Determine the mass of l L of solution from the…

Q: A student weighs out a 5.32 g sample of NH4 Br, transfers it to a 250. mL volumetric flask, adds…

A: Molarity of the solution is the number of moles of solute present in 1 L of the solution.

Q: 35.0 g of BaCl2 is added to 1.0 L of 0.55 M of AgNO3. The following reaction occurs:…

A: The reaction taking place is given as, => 2 AgNO3 (aq) + BaCl2 (aq) ---------> 2 AgCl (s) +…

Q: Calcium fluoride is added to drinking water. A 50-L sample of city water contains 0.095 g CaF2.…

A: Given  Mass of CaF2    = 0.095 gram  Volume            = 50 Litre  Molarity           = ? Compound =…

Q: What is the molarity of a solution with 11.00 grams of solute and a volume of 4650.0 ml? The solute…

A: Consider the given information is as follows; Mass of solute = 11.00 g Volume of solution = 4650.0…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 567 mg of chloride…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Suppose 0.0746 g of nickel (II) iodide is dissolved in 50. ml. of a 36.0 m M aqueous solution of…

A: We have to calculate final molarity of iodine anion in the solution

Q: A student uses 29.3 mL of 0.482 M sulfuric acid solution to titrate an unknown quantity of sodium…

A: The titration between NaOH and H2SO4 is; H2SO4+2 NaOH→Na2SO4+2H2O The mole ratio between NaOH and…

Q: An aqueous solution of propyl alcohol is made by transfering 4.49 mL of liquid propyl alcohol to a…

A: Given: The volume of propyl alcohol taken = 4.49 mL The volume of the solution in the volumetric…

Q: A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds…

A:

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to…

A: Given, Molarity of barium hydroxide solution = 0.281 M = 0.281 mol/L Volume of barium hydroxide…

Q: You dissolve 8.83 mmol of sodium bicarbonate into a total volume of 7.22 mL. What is the molarity of…

A: Molarity is no. Of moles per litre of solution.

Q: Many common titrations involve the reaction of acid and base. If 24.74 mL of 0.503 M H2SO4solution…

A:

Q: A chemist places 3.55 g of sodium carbonate in a 250 mL volumetric flask, and fills it to the mark…

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Q: A student weighs out a 9.86 g sample of NaNo3, transfers it to a 500. mL volumetric flask, adds…

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Q: In the laboratory you are asked to make a 0.572 m sodium bromide solution using 255 grams of water.…

A: Molality (m) is the unit of concentration. It is defined as the number of moles of solute per…

Q: You are analyzing a monoprotic organic acid HZ by reacting it with lithium hydroxide in a titration.…

A: A general neutralisation reaction between monoprotic acid HZ and LiOH take place as follows;   HZ  +…

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.120M silver…

A: The objective of the question is to predict the type of reaction, the chemical formula of the…

Q: A stock solution of nitric acid is found in the back of the chem stock room, but the concentration…

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Q: A chemist places 2.2352 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Weight of NaCl is 2.2352 gm Molar mass of NaCl is 58.5 gm/mole

Q: household bleach is an aqueous solution of sodium hypochlorite. What is the molarity of a bleach…

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Q: How many moles of Ca(OH) ₂ are required to completely react with 30.00 mL HCl solution? (HCl content…

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Q: A student determines the calcium content of a solution by first precipitating it as calcium…

A: 1000 ml 1M solution means 1 mol is present in 1000 ml solution.  So, moles of Ca(NO3)2 in 53 mL of…

Q: A student needs to make 250 mL of 1.4 M Fe(NO3)3 by dilution. How many milliliters of a 5.0 M…

A: Given data:  Initial molarity of Fe(NO3)3 (M1) is 5.0 M The final volume of Fe(NO3)3 (V2) is 250 mL.…

Q: In the laboratory, a student dilutes 25.3 mL of a 8.46 M hydrobromic acid solution to a total volume…

A: Concept: When we dilute the solution the moles of solute remain constant. The mole of solute can be…