Give the molarity in M of a solution containing 0.1758 moles of NaOH in 125 mL of water. (This question checks significant figure usage - give your answer to the correct number of significan M

Q: You use 500.0g of a solid to prepare a solution that has a concentration of 7.40% by mass. What is…

A: Given: Mass of solid solvent = 500.0 g. Concentration of solid in %(m/m) = 7.40 %

Q: What aliquot of 20.0 mg L-1 nitrite stock solution required to prepare 80.00 mL of 15.0 mg L-1…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: What is the molarity of a solution composed of 6.47 g of potassium iodide (KI) dissolved in enough…

A: The given data contains, mass of potassium iodide = 6.47 g. Volume = 0.173 L.

Q: Calculations 1. What is the mass of the NaOH pellets needed to prepare 100 mL of 1.0 M NaOH (stock…

A: The molar mass of Soiuum = 23g/mol The molar mass of O = 16g/mol The molar mass of H = 1g/mol

Q: Calculate the number of grams of solute in each of the following solutions. (a) 4.84 L of a 1.46 M…

A: (a)Provided volume (V1) of HCl =4.84litre Provided molarity (M1) of HCl=1.46M Molar mass of…

Q: How many grams of LiF would be present in 588 mL of 0.813 M LiF solution

A:

Q: Concentrated hydrochloric acid is made by pimping hydrogen chloride gas into distilled water, if…

A: The given data contains, mass of HCl = 439 g. Volume = 1 L

Q: How many moles of hydrogen atoms are in a 2.7 g sample of H2 gas? [Express your answer to at least…

A: Given, mass of H2 = 2.7 g we know, molar mass of H2 = 2.016 g/mol we know, => moles of H2 = mass…

Q: Calculate the molarity of a solution prepared by dissolving 21.83 grams of Naci (OR "Na" CI) to…

A: Given, Mass of NaCl is 21.83 g. The volume of the solution is 0.975 L. Molarity can be calculated…

Q: molarity of luminol solution = 0.979 M PartB moles of luminol = 0.120 mol What volume of the stock…

A: Given data, Molarity of luminol solution = 0.979 M Moles of luminol = 0.120 mol Formula, Molarity =…

Q: How many moles of NaOH are in 335.9 mL of 2.97 M NaOH?

A: Given that, Volume of solution = 335.9 mL = 0.3359 L Molarity of NaOH = 2.97 M Then, Moles of NaOH…

Q: What is the molarity of a solution of KOH made from 150.0g KOH in 300 mL of solution? Answer in M,…

A: Molarity is the number of moles of solute in one liter of solution. Represented by M. Can be written…

Q: Calculate the number of grams of solute in each of the following solutions. (a) 4.84 L of a 1.46 M…

A: Answer

Q: What volume (in liters) of solution will be required to make a 1.50 M solution of 48.9 grams of…

A: Given data, Molarity = 1.50 M Mass = 48.9 g Molar mass = 68.946 g/mol To calculate the volume in…

Q: Which of the following scenes best represents a volume from a solution of magnesium nitrate?

A: Magnesium nitrate is an ionic compound formed by cation Mg2+ and anion NO3- . In order to be neutral…

Q: How many grams of potassium nitrate will be required to prepare 594 mL of an aqueous solution that…

A:

Q: How many moles of hydrochloric acid are present in 75.8 mL of 0.765 M hydrochloric acid? Report your…

A:

Q: What is the molarity of a solution that contains 157 g of KOH in 700 mL of solution? There are 1000…

A: Molarity is the concentration term which is used to determine the amount of solute is present in the…

Q: If 2.73 mL of a stock solution of NaCl, with a concentration of 4.9 M is diluted to a final volume…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: If a container of liquid contains 60oz of solution, what is the number of ounces of pure acid if the…

A: we have to calculate the number of ounces of pure acid for the given solutions

Q: what is the concentration (molarity) of a solution created by solving 173.1 grams of KCI to create a…

A:

Q: what is the molarity of the solution made from dissolving 65.6 grams of magnesium chloride water to…

A: Given :- mass of MgCl2 = 65.6 g                Volume of solution = 420 mL  To be calculated :-…

Q: Calculate the molarity of solution frommass or moles of solute.

A: To find: The calculation of molarity of solution from mass or moles of solute.

Q: If the mass of of Na2CO3 is 0.011501g in 5ml of water, what is the mass in 106ml?

A:

Q: Obtain the % sodium by mass in a 36 g snack food with 110 mg sodium

A: Given,  36 g snack food with 110 mg sodium

Q: A solution of CaCl, in water forms a mixture that is 39.0% calcium chloride by mass. If the total…

A:

Q: An aqueous solution is 22.3 % by mass KBr and has a volume of 274 mL with a density of 1.18 g/mL. If…

A: To solve this problem first we have to calculate the mass of solution using volume and density And…

Q: The mass in milligrams of oxygen (molar mass= 16 g/mol) in 1920cm3 of 1.76X10-3 M solution of H3PO4…

A: H3PO4 Volume = 1920 cm³ = 1920 mL = 1.920 L Molarity = 1.76 × 10-³ M =1.76 × 10-³ mol/L   Molarity =…

Q: If 31.7 mL of a 0.129 M hydrochloric acid solution is needed to neutralize a solution of barium…

A:

Q: [References] centration Use the References to access important values if needed for this question.…

A:

Q: For Na3PO4, for every mole of Na3PO4 there is one mole of P. You would also need to know the atomic…

A: Given data, Molar mass of Na3PO4 = 163.94 gmol-1 Atomic mass of P = 30.97 gmol-1 Mass of Na3PO4…

Q: What is the volume in mL of a solution if 5.0 grams of Lithium nitride is needed to make 0.350 M…

A: Molarity=Number of moles×1000Volume of solution in mlMolar mass of Li3NNo. of moles=given massmolar…

Q: A mixture is prepared by dissolving sugar in 100 g of water. In this mixture, sugar is the Osolute,…

A: Solute is a substance which is dissolved and solvent is a substance in which solute is dissolved…

Q: Can you explain this equation M(molarity)= moles of solute/liter of solution. COuld you do an…

A: Molarity can be defined as follows:

Q: A hydrated salt is heated to determine the mole ratio of water to salt (n).  A student heated the…

A: Number of calculated hydration likely to be high, or low can be determined by checking the effect on…

Q: What mass of KBr (in grams) should you use to make 250.0 mL of a 1.20 M solution of KBr? Express the…

A: We have to predict the mass of salt needed.

Q: What is the mass % of propylene glycol in a 2.01 M solution of propylene glycol (MM = 76.09 g/mol)…

A: Given: Molarity of solution = 2.01 M = 2.01 mol L-1 density of solution = 1.03 g/ml Molecular mass…

Q: What mass of phosphoric acid is needed to react with 102 ml of 3.1 M calcium hydroxide? Please…

A: i) Normality of Ca(OH)2 : Since Ca(OH)2 is a di acidic base , n-factor =2 N = M x n -factor     =…

Q: Calculate the moles of solute. I used the equation to solve this but I got 1.40 which I'm not sure…

A: Molality = Moles of Solute/ Mass of Solvent (kg) Mass of solvent = 3.00 g =0.003 kg Molality =0.359…

Q: Calculate the molarity of the solution when 804.0 mL of solution contains 0.0900 moles of HCI. In…

A: Concentrated Reagents Density Molarity(M) Normality(N) Volume (mL)required tomake 1000…

Q: How many liters of a 6.90 M KNO3 solution can be prepared from 44.8 g of KNO3? Express your answer…

A: Molarity (M) of a solution is defined as the number of moles of solute present in the 1.0 liter of…