How many moles of Na are needed to make 4.5 liters of a 1.5 M Na solution? O 6.75 mol 0.33 M 0.33 mol ОЗМ

Q: Complete the table: Solute Mass of solute Moles of solute Volume of solution Molarity of solution…

A: MgSO4 Molar mass of Magnesium Sulfate = 120.3 g/mol

Q: How many molecules of Glucose (C6H1206) are there in a 500 ml solution of 2.63 molarity?

A: Given, Molarity of solution = 2.63 M = 2.63 mol/L Note: 1000 mL = 1 L Volume of solution = 500 mL =…

Q: To what volume (in mL) would you need to dilute 45.0 mL of a 1.20 M solution of NaBr to make a…

A: 45.0 mL of a 1.20 M solution of NaBr to make a 0.0400 M solution of NaBr.

Q: How many grams of NaCl are contained in 100.0 mL of a 2.64 M solution?

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Q: A solution is prepared by dissolving 98.6 g of NaCl in enough water to form 875 mL of solution.…

A: Given, weight of NaCl = 98.6 g Volume of solution = 875 ml Density of solution = 1.06 g/ml

Q: If 23.3 grams of an aqueous solution of manganese(II) sulfate, MnSO4, contains 5.96 grams of…

A: Percentage by mass – ratio of Mass of solute to the Mass of solution and multiplied by 100 is…

Q: To what volume (in mL) would you need to dilute 30.0 mL of a 1.35 M solution of NaI to make a 0.0700…

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Q: If 110.39 mL of 3.66 M solution is added to 195.86mL of 2.19 M solution what is the final molarity…

A: Given data  Molarity of first solution M1=3.66M Volume V1=110.39 ml Molarity of second solution…

Q: MASS PERCENT Complete the table: Mass Solute Mass Solvent Mass Solution Mass Percent 4 7 238.1 g…

A: Mass Solute Mass Solvent Mass Solution Mass Percent 15.5 g 238.1 g 253.6 g 6.1% 22.8 g 167.2 g…

Q: How many formula units are in 15.2 g cobalt (II) nitrate hexahydrate?

A: Given : The compound given is Coblat (II) Nitrate Hexahydrate i.e Co(NO3)2*6H2O. And mass of…

Q: Calculate the number of moles of potassium hydroxide in 22.83 mL of 2.994 M KOH (MM=56.11 g/mol). Be…

A: Number of moles of solute = Molarity × Volume (L) Given that: Molarity of KOH solution = 2.994 M…

Q: how many moles of water are there for each mole of salt in the following formula? MgSO4 * 1 H2O

A: The chemical formula of salt= MgSO4.1H2O moles of water in each mole of the above salt needs to be…

Q: A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make exactly…

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Q: An acid, HEI, is formed from a hypothetical element, El, and a subsequent aqueous solution is…

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Q: 14. White vinegar is essentially a mixture of 10% acetic acid (CH3COOH) and water 90% (by mass).…

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Q: Avogadro's Number: 6.022 x 1023 M = mol/L Calculate the molarity of 2.50 grams of Compound XX (molar…

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Q: How many grams of NaCl are contained in 100.0 mL of a 7.39 M solution? Round to the hundredths…

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Q: Determine the moles of water in 1.50 × 103 g of water. options:   1.20 × 102   83.3   8.33   0.0120

A: Number of moles = mass / molar mass      ••(1)   Atomic mass of H = 1 g/mol Atomic mass of O = 16…

Q: To what volume (in mL) would you need to dilute 45.0 mL of a 1.20 M solution of NaBr to make a…

A: Molartity of the solution is defined by the ratio of given number of moles present in the solution…

Q: A solution is prepared by dissolving 98.6 g of NaI in enough water to form 885 mL of solution.…

A: Given : Mass of solute i.e NaI = 98.6 g Density of solution = 1.06 g/mL And volume of solution = 885…

Q: Please in handwriting show how to solve for H+ ions -0.167=0.1400-0.0591/2 * log (0.108)/(H+)^2

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Q: A solution is 0.0460 m NaBr. What is the molarity of the solution if the density is 1.10 g/mL?…

A: Given data,  Molality of NaBr solution = 0.0460 m  Density of NaBr solution = 1.10 g/mL

Q: 2NaOH + H2SO4→ → Na2SO4 + 2H2O What is the mole ratio of sodium hydroxide to water?

A: Sodium hydroxide reacts with sulfuric acid to form sodium sulfate and water. The equation for the…

Q: MASS PERCENT Complete the table: Mass Solute Mass Solvent Mass Solution Mass Percent 238.1 g 15.5 g…

A: From given table For first row  Mass of solute = 15.5 g  Mass of solvent = 238.1 g    For second row…

Q: solution is prepared by mixing 7.05 grams of benzene (C6H6) in water to create a solution total…

A: Mass of benzene = 7.05 g Volume of solution = 100 mL = 0.1 L Molar mass of benzene= 78.11 g/mol

Q: 26.   A concentrated HCl(aq) has the molarity of 10.6 M and density of 1.59 g/mL., Calculate the…

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Q: Wastewater contains 10 mg/L NH3. Its N concentration = _____ mg N/L. (Hint: atomic weight: N, 14…

A: Wastewater contains 10 mg/L NH3 . If we want to calculate the concentration of N then we need to…

Q: What is the [H3O*] in a 175 mL sample of 0.0629 M KOH(aq)? 6.08 x 10-13 mol L-1 8.17…

A: Given: The molar concentration of KOH = 0.0629 M. The volume of KOH solution = 175 mL.

Q: Complete the table.   Mass Solute Mass Solvent Mass Solution Mass Percent 15.3 g 248.1 g _____…

A: Mass percent can be calculated using the following formula.

Q: What volume of 3.00 M NaOH contains 1.75 mol NaOH? __?__ L

A: Molarity is defined as moles per litre.

Q: Use the following data and steps below to calculate the formula of the copper chloride hydrate.…

A: Given : Mass of aluminium pan = 0.4661 g And mass of CuCl2 produced after heating with pan = 1.1357…

Q: To what volume (in mL) would you need to dilute 45.0 mL of a 1.20 M solution of NaBr to make a…

A: Welcome to bartleby !

Q: 5.07 M MgSO4 (MM = 120.4 g / mol) solution has a density of 1.26 g / mL. Calculate the concentration…

A: Molarity of MgSO4 = 5.07 M = 5.07 mol/1L Density = 1.26 g/mL Density = mass ÷ volume

Q: How much water do you need to add to 243 mL of 3.36 M KCl solution to make a 1.0 M solution? (assume…

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Q: Determine the mass of 500g of ammonia   % solute by mass 28 density 0.90 g/mL

A: % solute by mass= 28 % This means 28 g of ammonia in 100 g of solution. Density =0.90 g/m

Q: In a one-liter sample of pure water at room temperature, there are approximately water molecules.…

A: a) 10-7 is the correct answer

Q: How many moles of HCl are contained in 16.66 mL of 0.775 M HCl solution?     0.0465 mol…

A: Conversion of mL into L:

Q: N2 = 19 mg/L. s concentrations of N2 in water

A: Mass concentration of N2 :   NOTE : 1mg = 10^-3 g  mass concentration of N2 = 19 • 10^-3 g / L  Mass…

Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution.…

A: The question is based on the concept of solutions.   molarity is a method of expressing…

Q: What is the [H3O*1 in a 175 ml sample of 0.0629 M KOH(aq)? 9.08 x 10-13 mol L-1 O8.17 x 10-14 mol…

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Q: A 102.7-g sample of nitric acid solution that is 70.0% HNO; (by mass) contains a. 4.53 x 10° mol…

A: Mass/volume percentage- is one of the ways to express concentration of solution. Formula is, Number…

Q: MOLARITY Complete the table: Solute Mol Volume Solute Mass Solute Solution Molarity KNO3 22.5 g 10…

A: "Since there are two tables in this question, we will solve first one for you. For the other to be…

Q: Complete the table. Mass Mass Mass Mass Solute Solvent Solution Percent 2.55 g 25.0 g 45.8 g 3.8%…

A: For 2nd and 4th row I have filled the table Mass solute Mass solvent Mass solution Mass percent…

Q: How many moles of Na2CO3 are in 10.0 mL of a 2.63 M solution?

A: Given volume (V)= 10 mL  Molarity (M)=2.63 M we know that molarity= (no of moles x 1000 mL)/volume…

Q: Calculate the molarity of a solution that contains 10.0% sulfuric acid by weight. The density of…

A: Percent by weight (mass %) = 10.0 % Density = 1.07 gm/ml = 1070 gm/L (1 L = 1000ml)

Q: What is the molarity of 93.63 g of Na2CO3 dissolved in 104.5 mL solution?

A: Molarity is a term used to express concentration of a substance. It is the ratio of moles of a…

Q: Calculate the number of moles in the following quantities: 26.6 g KNO3 42 millimol NaOH 3.4 x 103…

A: 1) Since moles = mass / molar mass mass of KNO3 given = 26.6 g And since molar mass of KNO3 = 101…

Q: moles

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Q: If water is added to 125mL of 4.82 M NaOH to a final solution of 468 mL. What is the new molarity?

A: Answer: During dilution of a solution, number of moles of solute remains constant.