114.7 mg of NaCl (MM=58.44 g) is dissolved in 246.42 L of water. What is the concentration of Na+ ion (MM=22.99 g/mol) in ppm? Give your answer rounded to four digits to the right of the decimal point.

Q: Calculate the mass/volume percent (m/v) of 14.0 g NaCl in 46.0 mL of solution. Express your answer…

A: m/v = (mass of solute ÷ volume of solution) × 100

Q: 100 90 80 NANO3 70 60 Pb(NO3)2 50 40 KCI NaCl 30 20 KCIO3 10 Ce;(SO4)3 10 20 30 40 50 60 70 80 90 10…

A: The solubility curve given is, Given: Mass of KClO3 dissolved = 40.0 g. And mass of water = 50.0 g.…

Q: A1. Sodium citrate: 0.015 M. Calculate the mass of sodium citrate dihydrate, Na3C6H5O7(H2O)2, needed…

A: We need to show the calculations for the preparation of different solutions.

Q: If 768 g of water is added to 38 g of a 4.9-m NaCl solution, what is the mass percent of NaCl in the…

A: Molality of NaCl solution = 4.9 m Mass of the solution = 38 grams Mass of water added = 768 grams…

Q: 7. According to the EPA, when the concentration of lead in tap water reaches 15 ppb, certain…

A:

Q: Based on the graph, what is a solution of 300 g sucrose in 100 g of water considered at 60 °C?…

A: The maximum amount of solute that can be dissolved in a particular amount of solvent is known as…

Q: 1.00 L aqueous solution that contains 5.00 g MgCl2 was diluted to 2.00L. a. what is the…

A:

Q: A sample of seawater contains 1.9 g of calcium ions in 5364 kg of solution. What is the calcium ion…

A: Given  Mass of solute (calcium ions) = 1.9 g Mass of solution = 5364 kg = 5346×103 g Concentration…

Q: - * First, a stock solution of 10 mM fluorescein must be made in 15 mL of water. Calculate the mass…

A: Concentration of stock solution = 10 mMVolume of fluorescein solution = 15 ml = 0.015 LMoles of…

Q: An aqueous solution is 10.3927 wt % LiCl. What is the molarity of this solution, if the density is…

A: Given ,  10.3927 wt % LiCl , it means 10.3927 grams of LiCl is present in 100 grams of solution.…

Q: At 0°C, 35.7 g of sodium chloride (NaCl) will dissolve in 1.00 ×102mL of water. What mass of sodium…

A: Given,  Mass of NaCl = 35.7 g dissolve in 1 x 102 ml water Amount of NaCl required for 7.75 L = 7750…

Q: The solubility of nitrogen gas at 25 °C is 6.8 × 10-4 mol/L • atm. If the partial pressure of…

A: Applying Henry’s equation,S = k*PHere, P = 1 atmS = 6.8 X 10-4 mol L-1 The partial pressure of…

Q: Calculate the boiling point of a 1.94 m solution of water. Kb = 0.512 Ckg/mol Tb = 100.00 C

A: Molality of solution = 1.94  Kb = 0.512 °C -kg/mol  Boiling point of water (Tb°) = 100 °C

Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How…

A: Number of moles =concentration X volume Here concentration of cr =5.00    X 10 =10 m

Q: 10. How many grams of KMnO4 would you need to make 500 mL of a 0.2 M solution?

A: 1) Number of moles of solute present in 1litre of solution is called as Molarity (M)   i.e  M = n /…

Q: A certain liquid X has a normal freezing point of -6.20 °C and a freezing point depression constant…

A:

Q: maize. In 2017, eggs in Europe were found to have concentrations of fipronil above 1.14x10 What is…

A: Ppb= parts per billion 1M= 109ppb  1.14×10-8 molar means 1.14×10-8mole of Solute is present. Mass of…

Q: 1. A solution of potassium chloride, KCI, has 20 grams of the salt dissolved in 100 grams of water…

A: 1.Given that,  At 40°C, 20 g of KCl dissolved in 100 g of water.  The saturation point of KCl at…

Q: NeC 2. Another common unit of concentration is % mass/volume (m/v). Calculate the % mass/volume for…

A: Since you have posted multiple questions, we will answer only first one for you. If you want any…

Q: Calculate the volumes, in mL, of: ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water…

A: We have to calculate the volume of ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water…

Q: The density of a concentrated phosphoric acid solution is 1.514 g/mL solution at 20°C. It contains…

A:

Q: Calculate the molarity of the solute in the following solutions containing 7.72 g MgNH4PO4 in 300.…

A: Given solutions, 7.72 g MgNH4PO4 in 300. mL solution 15.4 g NaCH3COO in 300. mL solution (here,…

Q: The percent of vitamin C (mg/ grams sample of vitamin C), according to the Following data (Mass of…

A: The question is based on the concept of quantitative analysis. We have to calculate concentration of…

Q: Calculating the freezing point of an aqueous solution 3. What is the freezing point of an aqueous…

A: When a salt (which completely dissociates) is added to water it lowers the freezing point of the…

Q: A 27.0 wt% solution of HBr in water has a density of 1.50 g/mL. Calculate the formal concentration…

A: We will first calculate formal concentration of HBr , then answer the remaining questions.

Q: How many grams of AlCl3 are needed to prepare 125ml of a 0.150 M solution

A: Molarity:- it is a concentration term. Molarity is the no. of moles of the solute present in a litre…

Q: A solution is made by dissolving 7.60 grams of MgCl2 in 160.0 mL of water. What is the freezing…

A:

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 8.00 g8.00 g of…

A: Mass per volume percentage concentration is defined as the mass of the substance in grams dissolved…

Q: What is the mass percent (m/m) of NaCl in a solution made by dissolving 5.16 g of NaCl in 79.9 g of…

A: Since, you have multiple questions so I will solved first question for you please post separately…

Q: What mass of Iodine, I2 (molar mass = 253.80 g/mol), must be used to prepare a 0.960 m solution if…

A: Molar Mas of I2 = 253.80 g/moleMolality of solution = 0.960 mMass of Ethanol (solvent) = 100. g