%3D What mass of NaHCO3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/ Liter 1.68 g 1.00 g 0.0200 g 1680 g 4200 g

Q: 1. What will be the percent composition by mass of a solution made by dissolving 22.5 g of sodium…

A: NOTE : Since you've posted multiple questions, we'll solve first question for you. If you want any…

Q: A 12.5 % by mass solution of ethanol (C2H5OH) in water has a density of 1.225 g/mL at 20°C. What is…

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Q: A solution labeled “0.110 M CaCl2” would contain _________ mole(s) of Ca+2 and ___________ mole(s)…

A: Since we know that when CaCl2 breaks into there ions it will give 1 mol Ca+ and 2 mol Cl- in…

Q: How much Zn(NO3)2 is in 354 g of a 5.80 % (m/m) percent solution? O 174 g O 4.44 g O 12.3 g O 61.0 g…

A: A mass/mass percent is given as the mass of a solute divided by the mass of solution (expressed as…

Q: 8) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is : a) 0.75M b) 1. 04M c) 1.25M…

A: Hi, Since you have posted multiple questions, we will solve first question only. If you want all the…

Q: Which solution has the highest molarity? 2.0 moles of NaCI dissolved in 3.0 liters of solution O 6.0…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: Enter your answer in the provided box. Calculate the molarity of 38.5 mL of 2.10 M HNO, diluted to…

A: Molarity can be defined as the number of moles of solute dissolved per litre of solution. It is a…

Q: How many mL of a solution whose % (v/v) = 45% contain 30.0 mL of solute?

A: We have to calculate volume (in mL) of a solution whose % (v/v) = 45% contain 30.0 mL of solute.

Q: Calculate the molarity of each aqueous solution:(a) 78.0 mL of 0.240 MNaOH diluted to 0.250 L with…

A: a) Given : Initial volume of solution = 78.0 mL  Initial molarity of NaOH = 0.240 M Final diluted…

Q: what is the molarity of 31 g of antfreeze (C2H6O2) dissolved in 2000 mL H2O

A: moles of solute present in one litre solution.  Units: mol/L  Mathematical expression: M = n / V(in…

Q: What is the %(m/m) of a solution prepared by dissolving 25 g of solute in 85 g of solvent?

A: The mass/mass percent (% m/m) is defined as the mass of a solute divided by the mass of a solution (…

Q: Calculate the mass percent (m/m)(m/m) of a solution containing 27 gg of K2CO3 and 709 gg of H2O.

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Q: What is the molarity of a solution made my diluting 0.37 L of 2.47 M NaCl solution to 1.13 L?

A: 0.37 L of 2.47 M NaCl solution is diluted to 1.13 L solution.We have to calculate the molarity of…

Q: What is the molarity of a solution made by dissolving 20.0g of H2PO4 in 50.0mL of solution? Show the…

A: Molarity is defined as number of moles of dilute dissolved per liter of solution.

Q: Calculate the volume (in mL) of a 1.205M stock NaOH solution needed to prepare 250.0 mL of a 0.1157M…

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Q: What is the concentration in molarity of an aqueous solution which contains 17.51% by mass ethanol…

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Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:…

A: C1 x V1 = C2 x V2 Where, C1 = initial concentration; V1 = initial volume             C2 = final…

Q: Calculate the molarity of 0.950 mol of Na₂S in 1.55 L of solution. molarity: Calculate the molarity…

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Q: What volume (mL) of 10 M NaOH is required to prepare 500 mL of a 0.1 M NaOH solution? O 8 mL O 0.002…

A: Given, The molarity of NaOH solution,M1= 10 M . The molarity of diluted NaOH solution,M2= 0.1 M The…

Q: How much water is needed to dilute a solution of 200 ml of 0.1 M KOH so that the molarity changes to…

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Q: 1. What is the concentration (molarity) of a solution made from 0.62 moles of NaCl and 500mL of…

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Q: What weight of CaCl2 is needed to prepare 100mL of a 0.20 M solution? i. 20.0g ii. 0.02g iii. 2.20g…

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Q: How would you prepare the following aqueous solutions?(a) 1.40 L of 0.288 MKBr from solid KBr(b) 255…

A: a) To calculate the amount/weight of solid KBr that is required to make a solution of 0.288 M in 1.4…

Q: Calculate the molarity (M) of 34% aqueous H3PO4 solution (d=1.2g/ml). (P:31, O:16 H:1 g/moles)

A: 100 g of solution contains 34 g H3PO4. Density of solution = 1.2 g/mL=1200g/L   [ 1mL=10-3L] Now…

Q: 3. Calculate the mass of Na2CO3 that would be required to make 500.0 mL of 0.100M of Na2CO3…

A: Hello. Since more than one question has been posted, the answer of the first question shall only be…

Q: [12.3]. What is the molarity of 0.645 m glucose (C6H1206) aqueous solution (Solvent: H20). The molar…

A: To Find: To find the molarity of the glucose solution.

Q: What is the mass percent of an aqueous sodium hydroxide solution in which the molarity of NaOH is…

A: Given molarity of NaOH = 9.98 g/mol density of solution = 1.33 g/ml

Q: What is the final volume (LL) of each of the following diluted solutions? a 8.0 %% (m/v) KOHKOH…

A: 8% m/v KOH solution means 8 g of KOH is present in 100 ml of solution. 20% KOH solution means that…

Q: A solution is prepared by mixing 1.00 g ethanol, C2H5OH, with 100. g of water to give a final volume…

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Q: How many milliliters of 10.0M HCI are needed to make a 350 mL solution of HCl with a Molarity of…

A: We have to calculate the volume of acid needed.

Q: the mole fraction of NaCN (Molar mass 49.0 mol) in an aqueous solution is 0.0175, what is the ight…

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Q: 3. Find the percent by mass in which 41.0g of NaCI is dissolved in 331g of water.

A: The mass % of the solution is equal to the ratio of the mass of the given substance to the total…

Q: The mass Percent of a solution prepared by the solving 36.4g of NaCl in 63.6g of water is? A. 1.0%…

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Q: Calculate the volume in ml of a 6.00 M HCI solution used to make 1250 ml of a 0.270 M solution.…

A: Since the 1250 mL of 0.270 M solution is made up using 6.00 M HCl solution

Q: Solute: H2SO4 Composition of Solution: mole% H2SO4 = 40 % Density, g/mL: 20 degrees: 1.681 ; 80…

A: In the question, we have a solute given which is Sulphuric acid  The molecular weight of sulphuric…

Q: Calculate the number of grams of solute in a 15.0% m/m aqueous solution of NaCl with a total volume…

A: Mass by mass percentage (m/m) When mass of solute in a solution is expressed in grams of solute in…

Q: 2. How much 12.0 M HNO3 solution and how much water should be mixed together to prepare 2.25L of…

A: The dilution equation is given below.M1* V1 = M2* V2Where, M1 is the original concentration, M2 is…

Q: %3D What mass of NAOCOCH3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles /…

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Q: A 1.0 M (molar) solution contains 1.0 mole of solute per 1.0 L of solution. Which describes a 1.0 mM…

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Q: 1. What is the concentration (molarity) of a solution made from 0.62 moles of NaCl and 500mL of…

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Q: %3D What mass of NaCl is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles/ Liter O…

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Q: What is the molarity of 10.0 g NaOH in a 1.00 L NaOH solution? a) 10.0M

A: Given Mass of NaOH = 10.0 g Molar mass of NaOH= 40 g/mol Volume of solution = 1.0 L To find out…

Q: (1) How many grams of K2SO4 are contained in 50 mL of 0.200 M? (2) How many millimoles of K2SO4 are…

A: When one mole of any compound is dissolved in 1000 ml of solution is called the 1molar solution .

Q: A 32.0 mL aliquot of a 38.0 wt% aqueous KOH solution is diluted to 1.00 L to produce a 0.297 M KOH…

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Q: Which of the following aqueous solutions of Na2SO4 is hypertonic with respect to a 0.15 M NaCl…

A: Hypertonic solution: A solution having higher osmotic pressure than the other is called hypertonic…

Q: solution? 3. What is the molarity of 500-mL solution which contains 40 g urea (CH«N2O)?

A: Given-> Volume = 500 ml = 0.500 L (1 L = 1000 ml) Weight of urea = 40 gm Molarity =?

Q: What mass of NaCl is needed to prepare 500.0 mL solution sign a concentration of 0.450 M?

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Q: What is the molarity of a solution that was prepared by dissolving 14.2g of NaNO3 (molar mass = 85.9…

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Q: A concentrated phosphoric acid solution is 85.5% H 3PO 4 by mass and has a density of 1.69 g/mL at…

A: Given that ,  Mass percent of H3PO4 = 85.5 %  Density of H3PO4 solution = 1.69 g/mL  Molarity of…