Q2/ Answer the following question .(1 only) 1. The concentration of NaCl is 15 ppm in a solution with a volume of 350 L, How many gram of NaCl is present in the solution? 2. How can you prepare 500 mg of a solution containing 1000 ppm Ca? If you know the Atomic weights: CaCl2, Ca= 40, Cl =35.5

Q: In the US, alcohol proof is equal to twice the percent of alcohol (ethanol) by volume, so for…

A: Percentage volume by volume: is one of the ways to express concentration of solution. Formula is:…

Q: 75.42 % mass solution of naquadah (FM naquadah = 160.28 g/mol) in water has a density of 1.175 g/mL.…

A:

Q: What volume (in mL) of a 1.96 M glucose solution contains 0.942 moles of glucose?

A:

Q: How many grams of NaOH would you need to make 9,817 mL of a 270 mM NaOH solution (m.w. = 40.00…

A: Given information:Concentration of NaOH solution (M) = 270 mMVolume (V) = 9817 mLMolar mass of NaOH…

Q: A dose of Brand X cough syrup has a mass of 32.0 g and contains 0.850 g acetaminophen. What is the…

A:

Q: what volume (in mL) of a 2.66 M glucose solution contains 0.605 moles of glucose?

A:

Q: What volume of 0.220 M NaOH, in milliliters, contains 45.0 g of NaOH? Volume mL %3D

A:

Q: 1.The so-called D5W solution used for the intravenous replacement of body fluids contains 0.310 M…

A: Given, question 1- Molarity = 0.310 M                     Volume = 500 mL                    Molar…

Q: drogen peroxide (H₂O₂) is used in commercial tooth whitening products where the H₂O₂ concentration…

A: Mass percentage = 10% Density = 1.45 g/mL Molar mass of hydrogen peroxide = 34.0147 g/mol

Q: What is the NH3 (in mg/L) of household ammonia that contains 3% by weight of NH3?

A:

Q: 5. Suppose that 2.5 ml of 20% AgNO3 solution (density is 1.19 g/ml) What weight AgNO3 was in the…

A:

Q: What is the volume in mL needed to prepare a 0.4 M NaOH solution using 1.6 g of NaOH? The molar mass…

A:

Q: A lab technician prepares a 1.8M aqueous solution of copper (II) sulphate (CuSO4). The density of…

A: Number of moles of  CuSO4 in 1 L of solution = Molarity = 1.8  Mass of solution = Volume x density =…

Q: What is the molarity of a solution that contains 126 g NaCl (molar mass = 58.44 g/mol) in 0.2 L…

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

Q: What is the molarity of sodium chloride in a solution that is 26.9% by mass NaCl and has a density…

A:

Q: 1. If 100 mL of water contains 5 grams of NaCl, molecular mass = 58.5 g/mol, what is the molarity of…

A: Given -> Volume= 100 ml = 0.100 L (1L = 1000ml) Weight of NaCl = 5 gram Molecular mass = 58.5…

Q: What is the mass percent of potassium chloride (KCl) in a solution with a concentration of 2.02 M…

A:

Q: How many grams of NaOH would you need to make 6,924 mL of a 140 mM NaOH solution (m.w. = 40.00…

A: Given information: Concentration of NaOH = 140 mM Volume of solution = 6924 mL

Q: A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting…

A:

Q: In lab, scientists often use percentages to describe concentration. When making a solution,…

A: We have to find volume needed to make solution

Q: Common table sugar, sucrose, has a molar mass of 342.3 g/mole. To what volume (in mL) should 10.0 g…

A: Molarity = number of moles ÷ volume of solution (in L)  Number of moles = mass ÷ molar mass    1 L =…

Q: What mass in grams (g) of C12H22O11 (sucrose) (MM=342.30 g/mol ) is needed to prepare 227.5 mL of a…

A:

Q: What is the molarity of sodium chloride in a solution that is 26% by mass NaCl and has a density of…

A:

Q: What is the percent by mass of a solution made by dissolving 55.0 g RbCl in 345 g water?    What is…

A:

Q: 1. To prepare 250 ml of 0.35 M NaOH using 8 M NaOH, you dilute ------ml of ------M with water to 250…

A: Initial molarity(M1) of NaOH = 8 MInitial volume(V1) of NaOH =?Final molarity(M2) of NaOH = 0.35…

Q: 2. In the background information, it was stated that CaF2 has solubility, at room temperature, of…

A: The moles of calcium fluoride dissolve in 100g of water is

Q: One brand of laundry bleach is an aqueous solution 4.55 % NaOCl by mass. What is the molarity of…

A:

Q: What is the molarity of Nat in a solution of NaCl whose salinity is 25.0 if the solution has a…

A:

Q: 2) An aqueous solution is 3.0 M hydrochloric acid and has a density of 1.1 g/mL. How many mmol of…

A:

Q: What volume (in mL) of a soft drink that is 10.5% sucrose (C12H22O11) by mass contains 78.5 g of…

A:

Q: 1. Which solution-0.50 M NaCl or 0.25 M SrCl₂-has the larger concentration when expressed in mg/mL?…

A:

Q: 1) Find the mass of potassium hydroxide and water needed to make a 5.80 % wt solution. 2) Find the…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 4.87 mL of a dark solution with a dye concentration of 15.86 %m/v is diluted to a total  volume of…

A: Mass percentage of a solution: The mass of solute in gram present in 100 mL of a solution is known…

Q: In the spooky chemical storage closet, you pull out a solution that says “2.00 M NaOH”. If you pour…

A:

Q: What volume of 0.244 M NaOH, in milliliters, contains 30.0 g of NaOH? Volume mL %3D

A: Molarity of the solution is obtained by dividing the number of moles of solute by the volume of…

Q: The EPA limit for manganese in drinking water is 0.05 mg per L of solution. What is this…

A: Given that EPA limit for manganese in drinking water is 0.05 mg/L. We have to find this value of…