The Earth’s oceans have a salinity of 35. What is the concentration of dissolved salts in seawater when expressed in ppm? What percentage of salts must be removed from seawater before it can be considered freshwater (dissolved salts 6 500 ppm)?

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: A 112-mg sample of Na2CO3 is dissolved in H2O to give 2.55 L of solution. What is the concentration…

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Q: A pharamacist prepares a solution by adding 3.00 mg of sodium ions to 114 g of water. How many ppm…

A: Number of moles of a chemical compound is used to measure the amount of the compound in the given…

Q: What is the concentration of salt in seawater with a salinity of 36.5 ‰, in the following units?…

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Q: The Earth’s oceans have a salinity of 35. What is the concentrationof dissolved salts in seawater…

A: Given that salinity of earth’s ocean is 35. Thus, mass of salt in one kilogram of water is 35 g and…

Q: Percent by definition is parts per hundred. % (w/w) = (mass of solute/mass of solution) x 100. For…

A: Given information, 0.080 g  alcohol present in 100 ml blood  We have to calculate parts per…

Q: 5. The density of 11.6 M HCl solution is 1.18 g/mL. Calculate the percent by weight of HCl in an…

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Q: What volume of 0.48 M NaCl solution contains 175.6 grams of NaCl?

A: First, calculate no of moles of NaCl No of moles of NaCl = Mass/Molar mass = 175.6g/(58.44gmol-1) =…

Q: Q1: A solution of 100 mL of 1.17 % (WV) NaCl is prepared in a laboratory; calculate the NaCl…

A: Given, Volume of solution = 100 mL = 0.1 L % (W/V) = 1.17% molar mass of Na= 23, Cl = 35.5

Q: What is the% v / v of a solution

A: Given :-  volume of solute = 240 mL  volume of sovent = 780 mL  To calculate :-  % v / v of…

Q: An intensive care patient is receiving an antibiotic IV at the rate of 50. mL/h. The IV solution…

A: Given: Rate of the flow of the solution = 50 ml/h  The solution contains =1.5 g of the antibiotic in…

Q: 2.91 moles of silcon dioxide (SiO2) are dissolved in a 1.93 kg aqueous solution. What are the ppm of…

A: Given,  1. Moles of SiO2 = 2.91 mole  Mass of solution = 1.93 kg  What are the ppm of SiO2 in this…

Q: Convert the following concentration to parts per million (ppm); 300g Cu in 2000ml of water.

A: Given data: Weight of Cu = 300 g Volume of water = 200 mL

Q: What mass in grams of dextrose is required to prepare 4.224 L of D51/4NS solution?

A: Given that : We have to calculate the mass of dextrose required to prepare 4.224 L of D51/4NS…

Q: What volume of 0.73 M NaCl solution contains 145.9 grams of NaCI?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: what is the amount of solvent in mL in the solution?

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Q: An aqueous solution of nickel(II) fluoride, NiF2 , contains 3.42 grams of nickel(II) fluoride and…

A: Given,  Mass of NiF2 = 3.42 g  Mass of water = 17.2 g  What is the weight/weight percent of NiF2 in…

Q: concentration

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Q: What is the molarity and Normality of a solution of HNO, that contains 14.6 grams HNO, in 0.1 L of…

A: Given, 14.6g HNO3 in 0.1L

Q: Normal saline is 0.920% (w/v) NaCl in water. How many grams of NaCl are needed to prepare 15.0 L of…

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Q: The concentration of stomach acid, HCl, is approximately 0.10 M. What volume of stomach acid…

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Q: 168.1 mg of NaCl (MM=58.44 g) is dissolved in 118.06 L of water. What is the concentration of Na+…

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Q: A saline solution used in itravenous drips for patients who cannot take oral fluids contains 0.92%…

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Q: What mass (in mg) of aluminum sulfate is required to prepare 500.0 g of a solution that contains…

A: Here the concentration of aluminum sulfate is expressed in terms of ppm. That is also identified as…

Q: the concentration in parts per billion (ppb)

A: The environmental protection agency (EPA) has set the legal limit, known as the maximum contaminant…

Q: What volume of 0.48 M NaCl solution contains 175.6 grams of NaCI?

A: The given data contains, Molarity of NaCl = 0.48 M Mass of NaCl = 175.6 g

Q: A sample of seawater contains 2.6 g of calcium ions in 5826 kg of solution. What is the calcium ion…

A: Given,  Mass of calcium ion = 2.6 g  Mass of solution = 5826 kg                                 =…

Q: A student is asked to make up 100.0 g of a 26 % (w/w) sucrose solution. The students weighted out 26…

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Q: If 80 grams of Sulfuric acid is dissolved in 3.5 L solution, what is its Normality?

A: From given data mass of sulfuric acid = 80 g  volume of solution = 3.5 L    Also molar mass of…

Q: The maximum safe level of a chemical in drinking water is determined to be 52 μg per kg of water.…

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Q: An 870.0 g water sample contains 2.0 mg of chromium. Express concentration in parts per million…

A: Given that, Mass of chromium (solute) = 2.0 mg = 2.0×10-3 g Mass of water sample = 870.0 g

Q: Normal saline solution that is used to dissolve drugs for intravenous use is 0.92%(m/v) NaCl in…

A: Mass/volume percent %m/v is one of the concentration terms that indicates the volume of solute…

Q: Express this concentration in parts per million (ppm).   5.6 milligrams per kilogram of water

A: The mass of solute in mg present in a one-kilogram solution is known as ppm (parts per million)…

Q: Determine the amount of sodium chloride required to prepare 500 ml of a 3M sodium chloride solution.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 3) What volume (in mL) of guanidine, CH5N3, is required to prepare 250 mL of the following solutions…

A: Density of guanidine (CH5N3) = 1.18g/ml Mol. mass of guanidine = 59.072g/mol (Calculated according…

Q: What is the concentration of the solution in percent by mass when 140 grams of KCl is dissolved in…

A: Mass/volume % concentration is calculated as mv% =mass of solutevolume of solution×100% Molarity of…

Q: What is the volume percent of the ethanol?

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Q: The maximum level of lead allowed in drinking water is 15mg/kg. What is this concentration in units…

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Q: What is the concentration of a solution formed by diluting 280 mL of 7.2 M NaOH solution to  0.77 L?

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Q: solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this…

A: A solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this…

Q: The average salt content of seawater is equivalent to 0.599 M NaCI (density What is the…

A: To solve this problem we will use formula to calculate ppm concentration, Molarity , Molality and…

Q: Q1: A solution of 100 mL of 1.17 % (WN) NaCl is prepared in a laboratory; calculate the NaCl…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

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

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Q: Calculate the normality of aqueous hydrochloric acid, HCl, solution containing 65.0 grams HCl in…

A: Normality is given by the ratio of number of gram equivalents to that of the volume of the solution.…

Q: 1. A solution has a concentration of 1.25 g/L. What is the concentration in ppm? 2. Calculate the…

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Q: A particular water sample that is saturated in CaF2 has a Ca²+ content of 105 ppm (that is, 105 g…

A: Given: The Ca2+ content of the water sample that is saturated in CaF2 = 105 ppm We have to calculate…

Q: Hydrochloric acid is usually purchased in a concentrated form that is 37.0% HCl by mass and has a…

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Q: H.W: 1- A solution of KCl (its volume =500 mL) contains 7.45 ppm KCl. Calculate its Molarity and…

A: Since you have asked multiple questions, we will solve the first question for you.If you want any…

Q: What volume of 0.48 M NaCI solution contains 175.6 grams of NaCl?

A: Given:  Mass of NaCl (solute),w = 175.6 g  Molarity of NaCl solution,M=0.48 M = 0.48 mol/L  We know,…

Q: What mass of salt (NaCl) in grams (g) is required to prepare 1.083 L of D51/4NS solution?

A: Given: Volume of solution = 1.083 L = 1083 mL                                      (Since 1 L = 1000…