2. During a plasma donation procedure, an unknown concentration of sodium chloride is used as USP saline to hydrate the donor. The solution contains 1200.0 mg of sodium chloride in every 125 mL of solution. What is the molar concentration of sodium chloride in USP saline?

Q: 1L of 25mM SDS solution is prepared by adding ml of 10% SDS solution to ml of water.

A:

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

A: Given mass of sodium (solute)= 3.6 × 10^-4 g Volume of solution = 6.00mL Concentration in ppm =?

Q: A mass of 30 g KCl is dissolved in 200 ml of solution. What is the concentration of this solution as…

A: Given,Mass of KCl (solute) = 30 gVolume of solution = 200 mLThe concentration of this solution…

Q: À 0.690 m aqueous solution of KBr has a total mass of 64.0 g. What masses of solute and solvent are…

A: What masses of solute and solvent are present in 0.690m aqueous solution

Q: How many grams of Mg(NO3)2 are in 250.0 mL of a 5.00% (m/v) Mg(NO3)2 solution?

A: Solution:   Percentage mass by volume is a measure of concentration. It gives the ratio of the mass…

Q: 54.3 g of potassium bromide are dissolved in 32.0 mL of water. What is the concentration of the…

A: Given, mass of potassium bromide = 54.3 g Note: assuming no change in the volume Volume of water =…

Q: 0.421 m solution of H2SO4 is dissolved in 156 mL of CCI4. What is the molar concentration of 236 mL…

A: Initial Molarity (M1) = 0.421 M Initial Volume (V1) = 156 mL Final Volume (V2) = 236 mL Using…

Q: 2. An aqueous solution becomes cold when a solid is dissolved in the water. What does the decrease…

A: Answer - The correct option is (a) the process is endothermic Explanation - According to the…

Q: 00.0 mL of a 0.780 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…

A: Given that:        Initial concentration of the KBr solution = 0.780 M                    Initial…

Q: A solution is made by mixing 39.5 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL).  What is…

A: Given: Mass of alcohol= 39.5 g The volume of water= 100.0 mL The density of water= 1.00 g/mL To…

Q: What volume of a 0.25 mol/L salt solution in the kitchen contains 5.8 g of sodium chloride?

A:

Q: How many liters of a 5 M NaOH stock solution would you need to make 700 mL of a 253 mM NaOH…

A:

Q: 4.42 mL of a dark blue solution with a dye concentration of 15.18 %m/v is diluted to a total volume…

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

Q: If 30. g of AgNO3 is available, what volume of 0.20 M AgNO3 solution can be prepared? Volume = ___…

A: Given data,Mass of AgNO3=30.0gMolarity of AgNO3=0.20M

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: a) Determine the mass of ammonium nitrate dissolved in 750 mL of a 3.82 mol/L solution.…

A: Given: Initial volume V1= 750mL= 0.75L Final volume V2= 5.0L Molarity M1 = 3.82M

Q: A solution is prepared with 5.0 g of HCl and 195.0 g of H2O. The HCl solution has a density of 1.49…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: A 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding _______ grams…

A: Given : % (m/v) of sodium phosphate i.e Na3PO4 = 0.9 % And volume of solution = 2000 mL

Q: How many grams of solute are present in: a.225 grams of 12.5% MgCl2 solution? b.736 milligrams of…

A:

Q: 100.0 mL of a 0.530 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…

A: • The values provided in the question are:-    i) Initial concentration of KBr solution, M1 = 0.530…

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: A student prepares a solution of potassium chloride by dissolving 90.6 g of KCI into enough water to…

A: Given data,     Mass of KCl =90.6 g  Volume of solution =1 L Molar mass of KCl = (39 + 35.5)g/mol =…

Q: How many moles of Mg(ClO2)2 are present in 60.0 mL of 1.00 M Mg(ClO2)2 solution?

A:

Q: What is the new molarity of the diluted sample?

A: Given :-  Initial molarity = 1.2 M  Initial volume = 122 mL  Final volume = 500 mL  To calculate :-…

Q: What volume of a 1.00 M stock solution of glucose must be used to make 500.0 mL of a 1.75*10-2 M…

A: The equation will be:

Q: How many grams of sodium hydroxide are present in 247.0 mL of a 0.500 M NAOH solution? mass of…

A:

Q: A chemist needs 13.81 mL of 1.458 M NaCl. What volume in mL of 3.767 M NaCl must be diluted in water…

A: Moles before dilution and after dilution ae same as per mole concept.

Q: How many liters of a 3 M NaOH stock solution would you need to make 504 mL of a 188 mM NaOH…

A:

Q: An aqueous solution of 2.91 M potassium bromide, KBr, has a density of 1.24 g/mL. The percent by…

A:

Q: If a student added 50.0 mL of water to 10.0 mL of a 2.5 M NaOH solution, what is the new…

A: given- volume = V1 = 50 ml volume = V2 = 10 ml C1 = new conc. = ? C2 = conc. NaOH = 2.5 M

Q: A 21.8 mL solution of 14.2 M HCl is diluted to 228 mL. What is the new concentration of the acid…

A: Given : Initial concentration of HCl = 14.2 M Initial volume of solution = 21.8 mL And final volume…

Q: What is the molarity of a solution in which 7.1 g of sodium sulfate is dissolved in enough water to…

A: Weight of sodium sulfate = 7.1 gm Volume = 100 ml = 0.100 L (1L = 1000 ml)

Q: What volume in of a 0.32 M Mg(NOs)2 solution contains 45 g of Mg(NOs)2 ?

A: Given data,  Molarity of Mg(NO3)2 = 0.32 M  Given mass of Mg(NO3)2 = 45 g

Q: You plan to prepare 500 mL of 0.01 M NaCl solution, and you have 5.00 L of a 1.00 M stock solution…

A: At equivalence point         V1 S1 = V2 S2 Where V1 and V2 are initial and final volume and S1 and…

Q: How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 2.00 g of sodium…

A: Percentage (mass/volume) can be defined as the weight of solute in g per volume of solution in mL,…

Q: 250. mL of water is added to 150. mL of a 2.32 M aqueous solution of glucose. The solution is then…

A: Given information: Volume of water = 250 mL Volume of glucose = 150 mL Concentration of glucose =…

Q: If 45 mL of a 6.5 M HNO3 solution is added to 55 mL of water, what is the new concentration?

A:

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: A 183  mL sample of a 1.5 M sucrose solution is diluted to 550 mL  What is the molarity of the…

A: Given the volume of stock solution=183 mL =0.183 Mmolarity of stock solution =1.5 Mvolume of diluted…

Q: If you add 4.00 mL of pure water to 6.00 mL of 0.750 M NaCl solution, what is the concentration of…

A: Given, Volume of water = 4.00mL. Volume of NaCl solution = 6.00mL. Molarity of NaCl solution =…

Q: c) Normal saline solution (NaCl; sodium chloride) used in intravenous solutions is 8.5g/L. What is…

A: The concentration of sodium chloride ion intravenous solution is = 8.5 g/L The molarity of the NaCl…

Q: Percent by volume (% v/v) of a substance is a term that represents the concentration of the…

A: In this case, we can use the equation of dilution. That is, C1V1 = C2V2 Where, C1 = concentration of…

Q: What mass (in grams) of sodium chloride do you need in order to make 250.0 mL of a 0.44 M sodium…

A:

Q: 1. What is the mass of the solution when 50.0 mL of 1.0 M HCI solution is mixed with 50.0 mL of 1.0…

A: When we mix 50.0 mL of HCl solution with 50.0 mL of NaOH solution, 100.0 mL of mixture solution is…

Q: 1. What are the parts of a solution? A. water and salt B. solution and solute C. solvent and solute…

A: The homogeneous mixture of two or more substances is known as a solution.

Q: How many grams of dextrose are needed to make 715 mL of a 33.0% (w/v) dextrose solution? Note that…

A: The required amount of dextrose can be calculated using the given data.

Q: If 30. g of AgNO3 is available, what volume of 0.10 M AgNO3 solution can be prepared? Volume =…

A: Molarity is the concentration unit .It is defined as moles of solute in Liter of solution . It is…

Q: You have 1 L of 1 M NaCl, and 1 L of 1 M KCI, Which solution has the greater mass of solute? How do…

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

Q: 5.50 L of 13.3 M H 2 CO, the formaldehyde used to “fix” tissue samples 1.Number of moles 2. Total…

A: Given,  Molarity of H2CO = 13.3 M  Volume of the solution = 5.50 L  Calculate the  1. Number of…