Water is fluoridated to prevent tooth decay. (a) How many liters of 1.0 M H2SiF6 should be added to a reservoir with a diameter of 100 m and a depth of 20 m to give 1.2 ppm F2? (1 mol H2SiF6 provides 6 mol F.) (b) How many grams of solid H2SiF6 should be added to the same reservoir to give 1.2 ppm F2?

Q: A vitamin syrup for infants contains 27.44 mg of zinc sulfate monohydrate (ZnSO4.H2O) and 100.00 mg…

A: Mass of ascorbic acid = 100 mg = 0.1 g Molar Mass of ascorbic acid = 176.12 g/mol

Q: How many grams of H2SO4 would be required to prepare 750.0 mL of 0.0900 N H2SO4?

A: Normality of solution = mass of soluteEquivalent mass of solute ×volume of solution(in L)  0.0900…

Q: a. The solubility of barium iodate monohydrate in 25°C water is 0.028 g per 100. mL of water.…

A: Since you have asked a question with multiple subparts, we will answer only first three subparts for…

Q: 1. What is the mass concentration of water vapor (g H20 per m3 of air) in a liquid-water cloud at a…

A: Saturation water vapor pressure, P at 273 K = 611.6 Pa 1 Pa = 1 kg/m.s2 1 J = 1 kg.m2/s2. Molar mass…

Q: How many milliliters of K2Cr2O7 solution containing 25.00 grams of anhydrous salt per liter would…

A: Given, mass of anhydrous salt = 25.00 g mass of FeSO4.7H2O = 3.402 g

Q: We have a liter of sulfuric acid solution of 98% richness and density 1.84g/ ml. Calculate: a) the…

A: 98% richness of H2SO4 means 98 g of H2SO4 present in 100 g of the solution. The volume of the…

Q: What is the molarity of Na+ in a solution of NaCl whose salinity is 5.6 if the solution has a…

A: Given,Density = 1.03 g/molSalinity = 5.6Molar mass of sodium chloride = 58.44 g/mol

Q: A diluted bleach solution was found to have a concentration of 0.0250 M. It was originally prepared…

A: Given that : The concentration of diluted bleach solution = 0.0250 M The final volume of solution =…

Q: What is the molarity of a barium chloride solution prepared by dissolving 2.50 g of BaCl2 x 2H2O in…

A: It is required to calculate the molarity of BaCl2.2H2O in a 400 ml (0.4 L) solution. This can be…

Q: The saline water discharged from a thermal desalination plant was analyzed and it has following…

A: This is the concept of concentration terms

Q: A 575 gram sample of acetonitrile (Tb =  81.65 ºC, kb = 1.44  ºC/m, MM = 41.05 g/mol) was…

A: When a non-electrolyte solute is added to a pure solvent, then the freezing point of the solution…

Q: What is the molarity of a solution made by dissolving 39.264 g of CoCl2 in water and diluting with…

A:

Q: What volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 M NaOH by dilution?

A: Given, The volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 M NaOH by…

Q: When a 1.00 L sample of water from the surface of the Dead Sea (which is more than 400 meters below…

A: Molarity is defined as Number of moles of Solute dissolved per Litre of Solution.

Q: Concentrated nitric acid is 23 M. what volume of HNO3  must be diluted with distilled water to…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: How many moles of glucose (C6H12O6) are in 250. mL of 0.123 M glucose?

A:

Q: You have a stock solution of 20% (w/w) Triton X-100, a viscous detergent often used to permeabilise…

A: 20%(w/w) means that 20 g of solute in the 100 g solution. Volume of the solution is, Volume = mass ÷…

Q: What is the molarity of 270. mL of solution containing 3.80 moles of ZnCl2 ? Express your answer…

A: molarity (M) = (no. Of moles of solute ÷ volume of solution in liter)

Q: What is the molarity of 1 kg of KNO3 (MW=101.11g) dissolved in 2.75 L of solution?

A: Molarity is the number of moles of solute present in one liter of solution. It is represented by M.…

Q: Three different solutions were prepared in the laboratory. One was prepared by dissolving 82 g of…

A: Mass of KCl = 82 g Molarity of final solution = ? On dilution number of moles remain same but the…

Q: f 5.00 g of Ba(OH)2 was dissolved in dist. H2O and diluted to 250. mL, what is the resulting N of…

A: The normality of a solution is an important method to find out the concentration of a solution. It…

Q: What volume of 1.30 M SrCl2 is needed to prepare 525 mL of 5.00 mM SrCl2?

A: The volume of SrCl2 required is determined by using M1V1 = M2V2

Q: a) What mass of strontium nitrate (Sr(NO3)2) would be required to prepare 2.000 L of a 0.0180 M…

A:

Q: what volume in l of 1.6 m na3po4 would be required to obtain 0.60 moles of na+ ions?

A: The term number of moles has been defined as the ratio of mass to the molar mass of the given…

Q: 2) A sample of 0.892 g of potassium chloride (KCI) is dissolved in 54.6 g of water. What is the…

A: The formula for finding the mass percent is given by: Mass % = mass of solutemass of solute + mass…

Q: a) What is the molarity of a solution made by dissolving 10 moles of sucrose, C12H22O11, in 10L of…

A:

Q: 8) You have a solution of 0.200M of glucose (C6H12O6). (5pts) a) What volume of the solution above…

A: Molarity = moles ÷ volume (L)  By using this formula, we can find the volume.

Q: What volume (in L) of 1.60 M Na3PO4 would be required to obtain 0.870 moles of Na+ ions?

A: Molarity of Na3PO4 =  1.60 M Moles of Na+ ion = 0.870 moles Volume of Solution required = To be…

Q: Calculate the molarity of a solution prepared by diluting 100 cm3 of H3PO4 (d= 1.75 g/mL and 89 %…

A: Interpretation -  To determine the molarity of a solution prepared by diluting 100 cm3 of H3PO4 (d=…

Q: The anion EDTA42 strongly binds metal ions with a charge $2. How many grams of the reagent…

A: Introduction: Molarity and formality both defines the concentration of a solution. Molarity is…

Q: Upon decomposition, a sample of sodium bicarbonate produces 0.0118 g of sodium carbonate, Na2CO3.…

A: Given that, a sample of sodium bicarbonate (NaHCO3) decomposed to produce 0.0118 g of sodium…

Q: How many grams of chromium(III) nitrate are required to prepare 500.0 mL of an aqueous solution…

A: The grams of chromium (III) nitrate, that are required to prepare 500.0 mL of an aqueous solution…

Q: What volume of 0.200 M Na2CO3 (MW = 106) solution contains 53.0 g of Na2CO3?

A: Given solution of Na2CO3 has concentration of 0.200 M and the solution contains 53.0 g of Na2CO3.…

Q: Calculate the molarity of a potassium dichromate solution prepared by placing 9.67 g of K2Cr207 in a…

A:

Q: What is the molarity of a solution made by dissolving 12.711 g of potassium carbonate, K2CO3, in…

A:

Q: Sea water contains 3.5% NaCl, by mass. (a) If the density of seawater is 1.02 g/mL, how many grams…

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

A:

Q: solution is prepared by dissolving 37.3 g of potassium chloride in distilled water. What is the…

A: A) Molarity (M) = 2.0M Mass = 37.3 g Molar mass of KCl = 74.6 g/mol Mole = mass/molar mass    =…

Q: 3. What is the mass percent of each component in the mixture formed by adding 12 g of calcium…

A:

Q: If a 240. mL can of orange juice concentrate contains 30.0 g of carbohydrate, what is the…

A: Given: Volume of orange juice = 240. mL Mass of Carbohydrate= 30.0 g To Calculate: Concentration of…

Q: A 12.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.107 g/mL. What is the mass, in…

A: Since you have posted mulitiple question in a session, we are entitiled to answer only first…

Q: What volume (in L) of 1.50 M Na2CO3 would be required to obtain 0.740 moles of Na* ions? You

A: Concentration = number of mole / volume in L  Using this we can calculate the volume of…

Q: 0.50 molmol of LiNO3LiNO3 in 6.00 LL of solution   calculate the molarity

A:

Q: A solution is made by dissolving 25 g of NaCl in enough water to make 1.00 L of solution. Assume…

A:

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A:

Q: Fluoridation is the process of adding fluorine compounds to the drinking water. Fluoridated water…

A: The concentration term 1 ppm means that there is 1 mg present in 1 L solution. 1 gallon =3.78541 L…

Q: What volume (in L) of 1.5 M Na₂CO₃ would be required to obtain 0.65 moles of Na⁺ ions?

A: Molarity of Na2CO3 solution = 1.5 M 1 L of Na2CO3 solution have = 1.5 moles of Na2CO3