Believe it or not, there is gold dissolved in the Earth's oceans! The concentration can run as high as 40.0 ppb. If you could somehow extract all the gold from 7.45 x 106 kg of ocean water, how many grams of gold could you recover? Assume the concentration of gold is 40.0 ppb.

Q: Albumin is a protein found in blood. If the concentration of this protein is 6.00 x 102 micromole…

A: The concentration albumin protein in blood is =  6.00 x 102 micromole per liter Molecular mass of…

Q: Calculate the mass of KOH in grams required to prepare 5.00 x 103 mL of a 2.50 M solution. [KOH =…

A: Given, mass of KOH = 5.00 x 103 g Molar Mass = 56.1 g/mol Volume of Solution = 2.50 L  Mass of KOH…

Q: If the atmospheric burden of CO2 increases by 27.0 Gt (gigatonnes, 1Gt= 1 x 1012kg) over a given…

A: Given:  Current CO2 concentration = 408.3 ppm Increase in CO2 atmospheric burden = 27 GT = 27 x 1012…

Q: Concentrated sulfuric acid, H2SO4, is about 18 M. If 75 mL of this solution is diluted to 1.5 L and…

A: In the given problem, the molarity of the serially diluted solution can be calculated by using the…

Q: How much copper sulfate and water must be weighed in order to make 23.14 L of 13.5 M copper sulfate?

A: Given: Molarity of the solution = 13.5 M The volume of the solution = 23.14 L  Standard data: The…

Q: 31. The solubility of a substance is 12.0 g per 100. g of water at 20.0°C. It is 18.0 g per 100. g…

A: • There is given different solubility of substance at different temperature. • With the help of the…

Q: For each of the following pairs of substances, select the one that is expected to produce a solution…

A: Generally strong electrolyte will break into its respective ions which move freely when dissolved in…

Q: What volume of H2O, weighed in air against brass weights, would have to be placed in a flask at…

A: Volume of water at 20°C (T1) = V1 = 1L Volume of water at 27°C (T2) = V2 = ? T1 = 20+273 = 293K T2 =…

Q: The concentration of sodium chloride in seawater is approximately 0.481 M NaCl.  How many grams of…

A: The molarity of a solution represents the number of mol of solute present in 1 L of the solution.…

Q: Sea water contains an average of 1.08 x 10^3 ppm of Na+ ion. Calculate the molar concentration of…

A: consider 1 L         =   1000 mL of solution. Mass of solvent    =  density ×volume…

Q: A 9.97 M solution of NaOH has a density of 1.33 g/cm3 at 20°C.  Assume you have 1.00 L of solution.…

A: 1. First calculate the mole of NaOH. NaOH moles=1.00L×9.97M=9.97mol Next the mass of NaOH, solution…

Q: A town requiring 20 m3/s drinking water has two sources, a local well with 60 g/m3 nitrate and a…

A: Drinking water requirement in town=20m3/s or 20 m3 of water per second nitrate in local well =60g/m3…

Q: Concentrated hydrochloric acid has a concentration of 12.0 M. What volume of this solution should be…

A: Dilution :-  When a concentrated solution of molarity M1 and volume V1 is diluted by adding water to…

Q: Q.) assign which true or false statements (choose six only): 1) Group 13 contains the metalloid…

A: Metalloid is a element which show properties of both metals and non metals. Metals are hard,…

Q: What volume of 20.00 % NaCI must be diluted to make 500.00 mL of 1.2% NaCl, also known as normal…

A: Dilute solution is the solution in which the amount of water is higher than the amount of solute.…

Q: Calculate the mass/volume percentage of a 0.763 m solution of copper(II) acetate, (Cu(C2H3O2)2; FM =…

A: Given,  Molality of copper(II) acetate = 0.763 m  Formula mass of copper(II) acetate = 181.65 g/mole…

Q: How to calculate the mass percent concentration of a solution of 0.14 g C13H22O11 in 75.55 g H2O.

A: The mass percentage of a solution is the grams of the solute present in the grams of the solution…

Q: A 500 mL sample of waste water contains 42.65 µg of mercury, Hg. If the density of the sample is…

A: We are given a sample of waste water that contains mercury. We have to find its concentration in…

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

A:

Q: How many grams of Ca(NO3)2 is needed to prepare 475 mL of 2.25 M solution? Atomic mass: Ca = 40.08 N…

A: Given that , Volume of Ca(NO3)2 = 475 mL = 0.475 L concentration =2.25 M Atomic mass of Ca=40.08…

Q: Why is such a small amount of freshwater available for humans to readily use? *

A: In planet earth ocean contains maximum percentage of water found in the earth. And second largest…

Q: 139.1 mg of NaCl (MM=58.44 g) is dissolved in 373.08 L of water. What is the concentration of Na+…

A: Given that,  Amount of NaCl to be dissolve in water = 139.1 mg  Mass of Na+  in 139.1 g, m = (139.1…

Q: 8. Calculate the concentration in g/100 mL of sugar for each of the solutions prepared. 9. Use the…

A: The v/v (volume/volume) concentration of each solution can be calculated by the following equation:…

Q: the bottle is labeled 174.3mg of Fe(NH4)2(SO4)2•6H2O in 1.000 liter, what is the concentration in…

A: The parts per million unit is equal to the milligrams per liter. 1 ppm=mg/L Molar mass of…

Q: Chlor-alkali plants electrolyze NaCl to produce the commodity chemicals caustic soda and chlorine…

A:

Q: What volume of 0.300 M Iron(III) nitrate is needed to make 75 mL of 0.00300 M Iron(III) nitrate?…

A: We have an initial concentration of 0.300M We need 75ml of 0.00300M Iron(III)nitrate

Q: A 15 meter by 12 meter pool of water has a depth of 3.0 meters. What mass of silver ion is present…

A: Parts per million (PPM) is unit of measurement used in expressing very dilute concentration level of…

Q: Believe it or not, there is gold dissolved in the Earth’s ocean! The concentration can run as high…

A: We have to calculate mass of gold.

Q: g of magnesium nitrate is dissolved in 1.20 L of water. 25 mL of this solution is taken and diluted…

A:

Q: The world’s oceans have a combined volume of 3.204 x 10^8 miles^3. (C) The world’s oceans are…

A: Given,  Volume of the world’s oceans = 3.204 x 108 miles3  Mass percent of solid = 3.5%  Density of…

Q: 114.7 mg of NaCl (MM=58.44 g) is dissolved in 246.42 L of water. What is the concentration of Na+…

A: A numerical problem based on concept of solutions, which is to be accomplished.

Q: An alcoholic drink claims 12% alcohol by volume. Calculate the volume in mL of alcohol present in a…

A: 12% alcohol means 12mL alcohol in 100mL of solution (wine, here). And, 1L=1000mL Therefore,…

Q: You are required to prepare 5 L of a solution containing 1.000 x 10 mol/L of Cu2"(aq). Which of the…

A: The molarity of a solution describes the number of moles of the solute present in one liter of…

Q: You are asked to prepare a 0.8500 M solution of aluminum nitrate. You find that you  have only 50.00…

A: (a)

Q: Should we ignore changes in density of water when dealing with high concentration of sludge or…

A: The change in the density of water is high with an increase in the concentration of sludge. However…

Q: 6.67 x 10-3 g of arsenic (As) is found in a 0.600 L sample of water. If the density of this sample…

A:

Q: Calculate the salinity (as g/kg NaCl) of a table salt solution with density of 1.0513 g/L.

A: Given that -  Density of salt solution = 1.0513 g/L    Now, the salinity of the Salt Solution is the…

Q: Suppose you had a solution of 6.84 g of sugar ( sucrose C12H22O11) in 90.0 g of water ? Calculate…

A: The number of moles of a compound can be calculated by dividing the mass of that compound given with…

Q: 1. What is the molarity of an aqueous solution containing 22.5 g of sucrose (C12H22011) in 35.5 mL…

A:

Q: you have 10mL of a 60% stock dye solution. what is the maximum amount of a 12% dye solution you…

A: Initial concentration of solution, C1 = 60% Initial volume of 60% solution, V1 = 10 mL Final…

Q: A 1.00 mL sample of seawater is determined to contain 2.50 × 10-14 moles of dissolved gold. How…

A:

Q: The maximum quantity of lead allowed in drinking water is 0.05 ppm. What mass of lead could be found…

A:

Q: Calculate the mass of KOH in grams required to prepare 5.00 × 103 mL of a 2.50 M solution. [KOH =…

A:

Q: What is the percent by volume concentration of 11.6 mL of a hydrogen peroxide in 352 mL of a…

A: Given, Volume of the hydrogen peroxide = 11.6 mL Volume of the the hydrogen peroxide-water solution…

Q: What is the concentration of a diluted solution of magnesium chlorite? The concentrated stock had a…

A: Initial concentration (stock solution), M1 = 1.40 M The initial volume, V1 =50.0 mL= 0.050 L Final…

Q: If a sample of water is being determined to contain 389 ppm of lead, how many g of lead does one…

A:

Q: Concentrated Potassium Chloride is available in a concentration of 1.49 g of KCL per 50 mL. If a 50…

A: 1.49 g KCl in 50 ml  moles of KCl in 50 ml = 1.49 g /74.55g/mol =0.0199 =0.020 mole KCl in 50 ml =…

Q: Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of…

A: We have to predict the molar concentration .

Q: At 20°C, acetaminophen has a solubility of about 1.5 g/100 mL in water. If you recrystallize 5.00g…

A: Given: Solubility of acetaminophen in water = 1.5 g/100 mL of water = 0.015 g/mL of water. Mass of…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.