how many grams of solid, anhydrous iron (II) chloride do they need to use? 27.9 g If a student wants to make 70.0 mL of a 3.15M stock solution of FeCI 2, 1.74 g 575 g 634 g 22.2 g

Q: 1. How many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl

A: Applying formula of molarity M = n/Vin leter

Q: The forensic technician at a crime scene has just prepared a luminol stock solution by adding 18.0g…

A:

Q: 8. How many grams of solute are in the following? 2.5 L of 3.0 M AI(NO3)3 solution

A: here the question given two terms using the two value find out the moles of solute  apply the…

Q: 12. What mass of solute is in 2.00 L of a 0.350 M KI aqueous solution? а. 5.72 g b. 35.0 g с. 58.1 g…

A: The given data contains, Molarity of KI = 0.350 M  Volume of soln (V) = 2.00 L

Q: How many grams of LiF would be present in 575 mL of 0.750 M LiF solution? O 0.0338 1.12 x 104 19.9…

A: First in the given question the values of molarity and volume are given. So, we can find out the…

Q: An aqueous solution contains 2.52 g of Pb(NO3)2 in one liter.  How many moles of each ionic species…

A:

Q: A 1.00 L NaCl stock solution has a molarity equal to 0.5 M, what is the final concentration when 200…

A:

Q: What is the mass, in grams, of NaOH in 50.0 mL of a 35.2% (m/v) sodium hydroxide solution?

A: Volume of NaOH = 50.0 mL Mass by volume percentage of NaOH = 35.2 %

Q: A student pours 350 mL of a 6.0 molar solution of sodium hydroxide into a 750 mL volumetric flask…

A: Given data : Initial volume of the solution = 350 mL = 0.35 L Molarity = 6 M So, Number of…

Q: 2. What is the concentration of a solution that contained 0.3 moles of solute dissolved in 50mL of…

A: Moles of Solute = 0.3 mol Volume of Solvent = 50 mL = 0.050 L   We know , # Molarity ( Concentration…

Q: If you wanted to prepare 3.00 liters of a 2.5% (w/w) aqueous solution of potassium chloride (KCl)…

A: Given : Mass % of KCl i.e % (w/w) of KCl = 2.5 % Density of solution = 1.00 g/mL And volume of…

Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of…

A: The question can be solved using mole concept as:

Q: How many grams of HCI are in 45 mL of 0.2 M HCI solution? O 0.33 g O 0.684 g 0.009 g

A: Given: Concentration of HCl solution = 0.2 M And volume of solution = 45 mL = 0.045 L…

Q: 0.15 M AlCl3 solution. How many grams of aluminum chloride should the chemist use?

A: Molarity is defined as number of solute present in 1000 ml of solution . Mole=…

Q: If 350. mL of a 0.255 M zinc chloride solution is diluted to a volume of 785 mL, what is the…

A: "Since there are multiple  questions and it is not mentioned that which one has to be solved so I am…

Q: A typical seawater contains 2.7 g of salt per deciliter. What is the molarity of Nacl in the ocean?

A: Given  Mass of NaCl            = 2.7 gram  Volume of solution  = 1 Decilitre…

Q: How many grams of NaCl (MW= 58.44 g/mole) are needed to prepare 250 mL of a 0.10 M NaCl solution?

A: Molar concentration or molarity is defined as the number of moles of solute per volume of the…

Q: . A solution of AgNO3 contains 29.66 g of solute in 100.0 mL of solution. What is the molarity of…

A: molarity is defined as the moles of solute present in 1 litre of solution

Q: How many grams of chromium(III) sulfate, Cr2 (SO4)3, are required to make a 5.23 %(w/v) aqueous…

A:

Q: what is the concentration of sodium chloride in the diluted solution?

A: Molarity = number of moles of solute/volume of solution (in L)  so, moles = molarity × volume (in L)…

Q: What is the molarity of a solution made when 10 kg of Sugar are dissolved to make 100 liter solution

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: How many grams of LiF would be present in 575 mL of 0.750 M LiF solution? O A) 11.2 B) 0.0338…

A: 1 M solution means 1 mole substance is present in 1 L means 1000 mL solution.  The molecular weight…

Q: If you add 250 ml of water to 250 ml of a 0.8M NaOH solution, what will the molarity of the diluted…

A: M1V1=M2V2 250*V1=500*.8

Q: How many grams of ferrous sulfate is needed to prepare 250-mL of 2.3 x 10-2 M of Fe2+ solution? O…

A:

Q: How many grams of I2   crystals are needed to prepare 300.0 mL of a 0.050N iodine solution? Atomic…

A:

Q: What is the molarity of 25 g of iodine, I2, in 350. mL of solution? 2.8 x 10 M 5.7 x 10-1 M 2.8 x…

A: Molarity : Moles of solute present per liter of solution is called molarity of the solution.…

Q: A teardrop with a volume of 0.5 mL contains 5.0 mg NaCl. What is the molarity of NaCl in the…

A: The given data contains, Volume of teardrop =0.5 ml Mass of NaCl = 5.0 mg.

Q: Attached in the images is a special periodic table that you must use) A) What is the molarity of a…

A: From periodic table, Molar mass of Wn = 295.8 g/mol Molar mass of Cl = 35.45 g/mol Molar mass of Aa…

Q: 1. What is the molarity of a solution in which 85.5 g NaCl is dissolved in 1.5 L of water? 2. What…

A:

Q: How many grams of nickel(II) nitrate, Ni(NO3)2 , are required to make a 8.96 %(w/v) aqueous solution…

A:

Q: A packet of Emergen-C contains 1.000 x 103 mg of vitamin C, also known as ascorbic acid. If this…

A: Molarity is given by the number of moles per litre of the solution.

Q: You are asked to prepare 100.0 mL of a 30.0% (m/v) NaCl solution.  The procedure states that 0.513…

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

Q: Determine how many grams of aluminum will be produced when 15 grams of sodium is placed in 150 mL of…

A: The moles of a substance in a given mass is calculated as: Number of moles=given massmolar mass…

Q: What mass (in grams) of Mg(NO3)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2? a) 3.23 g…

A: Since moles of Mg(NO3)2  Present = molarity of solution X Volume of solution in L Molarity of…

Q: Calculate the number of grams of solute needed to make each solution. a) 1.00 L of 1.59 M KNO3 b)…

A: Number of grams of solute needed to prepare a solution is. Molecular mass of KNO3 = 101.10 Molecular…

Q: A student is standardizing a sodium hydroxide solution.  He used 23.22 mL of NaOH to neutralize…

A:

Q: A laboratory technician needs to prepare a diluted solution of Magnesium hydroxide. She dissolved…

A: The mass of magnesium hydroxide, the solute is = 6.2 g The volume of the solution is = 250 mL The…

Q: How many mL of water must be added to create a total volume of 140. mL of a 0.200 M solution of…

A: Given  Initial Concentration ( M1 ) = 6.00 M  Final Molarity ( M2 ) = 0.200 M  Final Volume ( V2 )…

Q: How many grams of Na2SO4 are in 100.0 mL of a 0.2500 M solution ? The GFW is 142.07 g. А. 3.55 g В.…

A: Given data: volume = 100 ml , molarity = 0.25 M , molar mass= 142 gm

Q: What is the ppm concentration of 6.00 mL sample of solution that has 3.6 x 10-4 g of sodium ions? *

A: ppm is parts per million means parts of solute present per million (per 106) parts of solution.

Q: How many grams of LiF would be present in 575 mL of 0.750 M LIF solution? 0.0338 33.8 O 1.12 x 104…

A: Molarity = 0.750 M Volume = 575 mL = 0.575 L Mass = ?

Q: How many grams of solid magnesium chloride (MgCl2, 95.21 g/mol) are need to make 250 mL of 0.50 M…

A:

Q: How many grams are needed to make a solution that is 5 M HC when you have 500 millılıters of water?…

A: Number of moles = mass / molar mass

Q: How many mL of a 0.172 M aqueous solution of chromium(III) sulfate,Cr(SO4)3 , must be taken to…

A:

Q: . A chemist wants to make 100 of a 0.15 M AlCl 3 (aq) solution. How many grams of aluminum chloride…

A: Applying mole concept.

Q: What is the Molarity of a solution containing 200 grams of NaOH in a 2.5 Liter Solution ? 2 Molarity…

A:

Q: A 1.00 L NAOH stock solution has a molarity equal to 0.5 M, what is the final concentration when 200…

A: Solution :     Molarity is used to determine the concentration.It is the ratio of number of moles of…

Q: What mass of sodium hydroxide is needed to make 100.0 mL of a 1.25 M NaOH solution? The molar mass…

A: 1.25 M means there will be 1.25 moles in 1 liter of water. The molar mass of NaOH = 40gmol-1

Q: A solution is prepared by dissolving 5.21 g of ammonium sulfate in enough water to make 100.0 ml of…

A: Given : Mass of ammonium sulfate i.e (NH4)2SO4 = 5.21 g And volume of solution = 100.0 mL = 0.100 L…