If 1000 g of water from Angat River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm by mass of Ca2+ in Angat?

Q: potassium

A: Dear student, this question is related to molar concentration.

Q: (a) Calculate the mass percentage of NaNO3 in a solution containing 13.6 g of NaNO3 in 834 g of…

A: Given: Mass of NaNO3 = 13.6 g Mass of water (H2O) = 824 g   Calculation for mass percent of NaNO3:…

Q: What is the concentration of LiCl in the final solution when 65 mL of a 12 M LICI solution is…

A: Given,  Initial concentration of LiCl(C1) = 12 M Initial volume (V1) = 65 mL Final Volume (V2) =…

Q: 12. How many grams of Ca(OH)2 need to be dissolved in 1.50 kg of water in a 0.250m solution?

A: 12) Given, Molality of the solution = 0.250 m = 0.250 mol/kg Mass of water solvent = 1.50 kg Mass…

Q: What is the % (m/v) concentration of an ammonium chloride (NH4Cl) solution that was prepared by…

A: % m/v is given by  % m/V = mass of solute X 100 / Volume of solution in mL Since mass of solute…

Q: What is the concentration in ppm of selenium if 0.020 g is found in 5.0 × 103 kg of soil?

A:

Q: What is the m/v % concentration of a solution of LiCl by dissolving 2.5 g LiCl with a density of…

A:

Q: The sulfate ion level in a municipal water supply is given as 46.1 ppm. What is [SO42-] in this…

A: Answer: Concentration of sulfate ion given is 46.1ppm which means in 106g solution, 46.1g sulfate…

Q: Calculate the number of moles of Cu(NO3)2  in 250mL of 0.500 M solution

A:

Q: Q1/ A solution was prepared dissolving 329 mg of K,Fe(CN), in sufficient water to give 750 ml.…

A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…

Q: Ksp for CaCO3 is 8.7 x 10. What mass of CaCO3 can dissolve in 2.50 liters of solution?

A:

Q: calculate the mole fraction of nacl in a solution prepared by dissolving 117 g nacl in 3.45 kg H20

A:

Q: What is the mass of KCIO3 that can be dissolved in 200g of H20 at 90° C?

A:

Q: A student prepares a stock solution 100 mL of 0.50 M copper (II) sulfate solution, which is blue in…

A: Molarity is the unit of concentration of a solution, and its unit is mol/L It is defined by the…

Q: Calculate the number of moles of ZnCI, in 100 mL of 0.300 M solution. O 3.00 x 10-2 O 0.300 30.0…

A: Molarity = no. Of moles/volume(ml)*1000

Q: A sample of an industrial waste water is analyzed and found to contain 48.5 ppb Co3+. How many grams…

A: Given: Mass of wastewater = 1.98 × 103 Kg = 1980 Kg = 1980000 g                          (Since 1 Kg…

Q: What is the percent (m/v) concentration of the solution obtained when 15.2 grams of nickel (II)…

A: Mass by volume (m/v) percentage: It is defined as the mass of solute dissolved in 100 mL of the…

Q: If 1000 g of water from Luboc River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm…

A: Parts Per Million (ppm) is a measurement of the concentration of dilute solution.

Q: the solubility of silver sulfate in water is determined to be 570 mg/100mL what is the…

A:

Q: In a standardization procedure a student forgets to rinse the buret with a small portion of the EDTA…

A: ✓More EDTA is needed in the titration process. ✓because some of the EDTA will react with the water…

Q: What is the solubility of strontium update, Sr(IO3)2 in water ? The map for Sr(IO3)2 is 1.14x10-7

A: The expression for Ksp calculation is as shown below:

Q: Calculate the molarity (M) of a 4% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).

A:

Q: Why do raisins float in mineral water with salt compared to distilled water with salt (where it…

A: Given: raisins float in mineral water with salt compared to distilled water with salt (where it…

Q: What is the ppm concentration of mercury in fish tissue if, after testing with an instrument, it was…

A: Given: Mass of mercury = 0.000475 g Mass of tissue = 2.250 g

Q: Calculate the weight of sodium chloride salt in: 300 ml solution of a % 0.85 (w/v) concentration .A…

A: Given the w/V % of sodium chloride, NaCl solution = 0.85 %  Volume of sodium chloride, NaCl solution…

Q: Determine the number of grams of calcium chloride (weighed as CaCl2 .2H2O) that are needed to make…

A: Molarity=mole×1000÷volume So use mole mole relationship to get mole of hydrated calcium chlorides.…

Q: calculate the (w/v) % concentration of 150. ml solution contains 7.50g of dissolved solid Na2SO4

A: Given data contains, Volume of the solution is 150 mL. Mass of dissolved Na2SO4 is 7.50 g

Q: What is the concentration of the solution when 265 mL of water are used to dissolve 0.045 moles of…

A:

Q: 6) In a titration experiment, a student finds that 25 mL of NaOH solution are needed to neutralize…

A: Given : Volume of NaOH solution required = 25 mL = 0.025 L                           (Since 1 L =…

Q: calculate the numbers of g of NaCl in 5.00 * 10^2 mL of 12.0% (m/v) solution

A: The (m/v) percent concentration of a solution is defined by the number of grams of solute present in…

Q: 1. (a) Calculate the mass percentage of Na2SO4 in a solution containing 10.6 g NazSO4 in 483 g…

A: Mass percentage is given by the ratio of mass of the substance to that of the total mass multiplied…

Q: Calculate the mass percentage of Na2SO4 in a solution containing 10.6 g of Na2SO4 in 483 g of water.…

A: (a) The expression to calculate the mass percent Na2SO4 is shown below: The value of the mass of…

Q: How much (in g) of CO2 is dissolved in 0.5 L of a drink which was produced under CO2 pressure of 500…

A: Given, V = 0.5 L P = 500 kPa

Q: In a healthy adult, mercury is removed from the body naturally but slowly. If a 500.0g piece of…

A:

Q: 2.a) Calculate the actual Concentration of Stock Solution (1) in ppm Na+. b) Calculate the Volume of…

A: Since you have asked multiple questions, we will solve first question (question-2) for you. For…

Q: Determine the number of grams of calcium chloride (weighed as CaCl2.2H2O) that are needed to make…

A: Molarity = 0.010 M Volume = 100 mL The number of grams of calcium chloride (weighed as CaCl2.2H2O)…

Q: How many mL of ethyl alcohol are required to make a 2.01% (v/v) aqueous solution in a 300. mL…

A: Volume percent (v/v) % :-  The volume of solute in mL present in 100 mL of solution is defined as…

Q: The solubility of a gas is 0.650 g/L at a pressure of 109 kPa. What is the solubility of the gas if…

A:

Q: 1. What volume of water is needed to be mixed with 150 ml of alcohol to prepare a 25.0 % alcohol…

A: The answers to the following questions are given as:

Q: Solve this

A: Molarity is defined as the number of moles of solute in 1 litre of solution. It is designated as M.

Q: A 600 mL water sample collected from an industrial wastewater plant was found to contain 9.45 ug of…

A: Given that -  Volume of waste water sample = 600 mL = 600 cm3  Mass of solute lead Pb = 9.45 ug…

Q: 10. A volumetric flask contains 25.0 mL of a 14% m/V sugar solution. If 2.5 mL of this solution is…

A: The % m/V of solution is given 14 % The % m/V is defined as

Q: A 2.5-g sample of groundwater was found to contain 5.4 mg of Zn?* What is the concentration of Zn2"…

A:

Q: The maximum acceptable concentration of Pb (207.2 g/mol) in drinking water is 10. ppb.  If a water…

A: Given :  Acceptable Concentration of Pb = 10 ppb  Molar mass of Pb = 207.2 g/mol  Concentration of…

Q: Apple seeds contain amygdalin, a substance that releases cyanide into theblood stream. if 3.5 kg of…

A:

Q: Calculate the molarity of the solution obtained by diluting 63.6 mL of 0.426 M ammonium chloride…

A: Volumetric equation: In the dilution of stock solution is carries out by using below formula, this…

Q: Will 0.5 g of CaSO4 be completely dissolved in 1 L of water? (Ksp = 2×10-5)

A: Given that, Mass of CaSO4 = 0.5 g  Volume of water = 1 L  Solubility product, Ksp = 2×10-5 We need…

Q: If there are 2.0 mg of Pb+2 ions in 1.0L of water, what is the concentration of lead in ppm? Oa. 2.0…

A: Given : Mass of lead i.e Pb2+ in water = 2.0 mg  And volume of water = 1.0 L

Q: What concentration of AgNO3( in ppm) is present in 7.1*10^ -7 M AgNO3? The molar mass of AgNO3 is…

A: Concentration in ppm can be expressed as mg/L . i.e mg of solute present per liter of solution.  7.1…