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 b) 0.022 g c) 1.88 g d) 143 g

Q: 7. Exact amount of 25.0 ml NaOH solution whose concentration is 0.974 M was delivered from a pipet.…

A: Given Volume of NaOH solution = 25 ml Molarity of solution = 0.0974 M

Q: 1).  Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M…

A: Since, this is multiple questions we are answering first question.

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Q: How many grams of cobalt(II) chloride hexahydrate (CoCl2•6H2O; molar mass = 237.9 g/mol) are…

A: Calculation  of mass by molarity  formula.   Given Data Volume = 475 ml Molar mass of cobalt…

Q: What is the final concentration of a solution prepared by adding water to 50.0 mL of 1.5 M NaOH to…

A: Given,Molarity of NaOH (M1) = 1.5M.Volume (V1) = 50.0mL = 0.05L.Molarity of NaOH (M2) =?Volume (V2)…

Q: Calculate the molarity of the following solutions: (a) 0.37 mol of solute in 56.8 mL of solution…

A: The Molarity of the following Solutions are given as:

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A: Given, n= 0.178 mol. Volume = 750 mL                = 0.75 mL.

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Q: 3. What mass of solute in milligrams is contained in 26.0 mL of 0.250 M sucrose (342 g/mol)? [ 2.22…

A:

Q: What mass of BaCl2.2H2O is needed to prepare 500 mL of 0.0740 M CI* solution? 1. 09.04 g 2. 07.31 g…

A: Given data: The molarity of chloride ions = 0.0740 M=0.0740 mol/L. The volume of BaCl2.2H2O solution…

Q: 45 g of Ca(N03)2 was used to create a 1.3 M solution. What is the volume of the solution? (molar…

A:

Q: An aqueous solution (ρ = 0.988 g/mL) is 6.00% methanol CH3OH (molar mass = 32.04 g/mol) by mass.…

A:

Q: If you need to make 600mL of a 0.150 M NaF solution, how many grams of NaF (Molar Mass: 42g) would…

A: Given: The volume of the NaF solution = 600 mL Molarity of the NaF solution = 0.150 M The molar mass…

Q: What is the molarity of a solution that contains 74.6 g of magnesium chlorate (Mg(ClO3)2) dissolved…

A: Molarity of a solution is defined as number of moles of solute dissolved in per litre of a solution.…

Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density of the resulting…

A:

Q: A solution of NaOH is 95% by mass and has a density of 1.2 g/ml. How many mL of water should be…

A: Given data is as follows: The mass of NaOH = 95 g in 100 g of solution ( 95% by mass ) Density of…

Q: Given a 3.28 M solution of magnesium nitrate, Mg(NO3)2, whose density is 1.16 g/ml, determine the…

A:

Q: If 203 mL of water is added to 5.00 mL of 4.16 M KCI solution, what is the concentration of the…

A: • The values provided in the question are:-  i) Initial volume of KCl solution, V1 = 5.00 mL  ii)…

Q: The concentration of urea in a solution prepared by dissolving 16 g of urea in 25 g of H2O is…

A: Given that, Mass of urea (solute) = 16 g Mass of water 9solvent) = 25 g Mass of solution = 16 g + 25…

Q: How many grams of solute are present in 565 mL of 0.670 M KBr? mass of solute: TOOLS x10

A:

Q: How many grams of NaCl are there in 75 mL of a 2.1 M solution of NaCI? O 9.2 g O 4.8 g O 0.71 g O 18…

A:

Q: What mass of KMnO4 (molar mass: 158.03 g/mol) is needed to prepare 250 mL of a 0.0125 M KMnO4…

A: The detailed solution of your question given below-- Since, we know the formula , Molarity= Mole/…

Q: The concentration of 158 mL of an aqueous solution of KNO2 is 3.56 M. How many grams of KNO2 are…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: 1. What is the percent by mass concentration of acetic acid, CH3COOH, in a vinegar solution that…

A: 1. Mass of acetic acid = 54.50 g Density of solution = 1.005 g/ml Volume of solution = 1.000 L =…

Q: Whens 28 g of KOH dissolves in enough water to make 250 mL of solution, what is the resulting…

A: We have 28 g KOH , 250 ml of solution, we have to calculate the Molarity.

Q: You can click on the Review link to access the se A sodium nitrate solution is 14.4 % NaNO3 by mass…

A: Given: Percent by mass of NaNO3 = 14.4 % And density of the solution = 1.02 g/mL.

Q: What mass of Li3PO4 is needed to prepare 500.0 mL of a solution having a lithium ion concentration…

A: Given that,. lithium ion concentration of 0.175  Reaction, Li3PO4----> 3Li+ + PO43- Since,…

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A:

Q: What is the molarity of a solution prepared by taking 6.864 g of potassium permanganate (KMNO 4) and…

A:

Q: What is the molarity of a solution prepared by dissolving 26.2 g of KCI in enough water for a total…

A:

Q: What mass of BaCly.2H,0 is needed to prepare 500 mL of 0.0740 M CI solution? 1. 09.04 g 2. 07.31 g…

A: Using the formula of molarity and mole -mole analysis we can determine the mass required.

Q: .   a) What volume(ml) of 0.115 M HClO4 solution is required to neutralize 50.00 ml of  0.0875 M…

A: a) Since the acid is monoprotic while the base is diprotic And according to the reaction below…

Q: How many grams of solute are present in 145 mL of 0.590 M KBr? mass of solute:             g

A: Number of moles of solute = Molarity x volume in L Mass in grams = Number of moles x Molar mass

Q: What mass of potassium nitrate is in 2.50 L of a 1.26 M solution? The molar mass of potassium…

A: Hence 4th option is correct that is 318 gram

Q: Find the volume needed to prepare a 0.771 M Pb(NO3)2 solution if you start with 164 g of Pb(NO3)2.

A: Volume×Molarity = no of mmol. Hence the volume would be needed V = 642.28 mL.

Q: A chemist starts with 25.0 mL of a 0.20 M NaCl solution and dilutes it to 500 mL. What is the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: How many g of Fe(NO3)3 are present in a 20.0 mL sample of a 0.500 M solution? A) 2.14 g B) 9.68 g C)…

A: Number of moles can be calculated from the given Molarity:

Q: What is the final cesium ion concentration when 75. g Cs2CO3 is dissolved in enough water to make…

A: Given: Mass of Cs2CO3 dissolved = 75 g. And volume of solution = 963 mL = 0.963 L…

Q: How can you prepare 6.62 MH2SO, (98.08 g/mol) solution from the stock H2SO4 solution (d=1.84 g/mL;…

A: Dilution:-          It is a method to prepare an low concentration solution by adding slovent in…

Q: A solution is made by dissolving 29.2 g of magnesium nitrite, Mg(NO2)2, in enough water to make…

A:

Q: 1.55 x 1022

A: Molarity of NaCl (M) = 0.5 M Volume of NaCl = 50 mL =0.050 L Moles of NaCl = M × V(L)   = 0.50 ×…

Q: An aqueous Na;PO, solution is made using 42.3 g of Na,PO, diluted to a total solution volume of 2.00…

A: Given :- Molar mass of Na3PO4 = 163.94 g/mol Given mass of Na3PO4 = 42.3 g Density of solution =…

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: One mole of a substance is something that has 6.022 × 1023 particles of that substance. This special…

Q: A 3.28% by mass solution of LiCl has a density of 1.06 g/mL. What is the molarity of this solution?…

A: The given data contains, mass percent  = 3.28% density = 1.06 g/ml

Q: If 92.8 g of sodium nitrite is dissolved in sufficient water to prepare 2.3 L of solution, the…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 53.6…

A: MgCl2 (aq) -------->  Mg2+(aq)  +  2Cl- (aq)  Number of moles = Molarity x volume (L) 1 mole =…

Q: A student wants to prepare exactly 350. ml of a 0.2750 M aqueous potassium nitrate solution. What…

A: Given that, The molarity of aqueous potassium nitrate solution is 0.2750 M that means 0.2750 moles…

Q: What is the concentration, in molarity, of NaI in a solution that contains 7.3 g of NaI (MM = 149.9…

A: Given,  7.3 g of NaI 28 mL of solution

Q: A student makes a solution by dissolving 10.095g of Ca(NO3)2 (MM=164.09 g/mol) in 300 mL of water…

A: Given 10.095g of Ca(NO3)2 (MM=164.09 g/mol) in 300 mL of water  Molarity is to be determine Diluted…

Q: 4.525 grams of T3X2 are combined with 85.35 grams of water. What is the molarity of T2* ions in…

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the…