Problems 1. A 1000L tank is full of seawater with a salt concentration of 35 g/L. The solution is then pumped out at a rate of 10 L/sec, and is replaced by a brine solution with a concentration of 5 g/L being pumped in at 10 L/sec. What will the salt concentration be after 1 minute?

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Q: In standardization of HCl sample with 0.1 M Na2CO3 standard solution if we consumed 10 ml .HCl to…

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Q: A standard solution of a chemical compound was prepared by diluting 10.0 mL of a 5,0 M stock…

A: Answer : V1 = 10.0 mL C1 = 5.0 M V2 = 100.0 mL C2 = (C1 × V1 / V2 ) On substituting the values into…

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Q: 1. A patient has been admitted to the hospital with severe dehydration due to constant vomiting and…

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Q: If you start 200ml of a 6M solution and you finish with a 1000ml solution what is the concentration…

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Q: If 1.00 g of MGF2 (MM = 62.31g/mol) is added to 500. mL of pure water, how many grams will dissolve?…

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Q: A solution contains 0.625 g Ca2+0.625 g Ca2+ in enough water to make a 1825 mL1825 mL solution. What…

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Q: 17.5 mL portion of a 0.1050 M Na2CO3 solution is added to 46.0 mL of 0.1250 M NaCl. What is the…

A: 1- First Calculate the total mmoles of Na+ ion in mixting solution :  a) mmoles of Na+ ion in Na2CO3…

Q: The amount of water which should be added to 0.700 M NaOH solution to make 100 mL 0.250 M solution…

A: The dilution is done to the solution to decrease the concentration. The concentration is decreased…

Q: if 400mL of a 2M saltwater solution is mixed with 550mL of a 6M saltwater solution, what is the new…

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Q: A teacher has a bottle of 6.0M hydrochloric acid. She wants to make 3.0 L of 3.0 M HCI for her…

A: Note : As per our guidelines We are supposed to first question kindly resubmit the other question as…

Q: 100mL of a 0.100M solution of NaCl is prepared (standard solution). This solution will be used to…

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Q: A water sample collected downstream from a gold-mining operation returns a cyanide concentration of…

A: The gold cyanidation can be described as the cyanide procedure that is used for the extraction of…

Q: 500 mL of pure water is first added to 500 mL of 0.500 M K2Cr2O7, making a “standard” solution. What…

A: Given that, 500 mL of 0.500 M of K2Cr2O7, making a "standard" solution, i.e. V1 = 500 mL and S1 =…

Q: Which response lists all the following pairs that are miscible liquids. ( Will form a solution when…

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Q: Please calculate the amount of solid sodium hydroxide needed to make 200mL of a 0.2 M soulution.…

A: Given,Volume of NaOH = 200 mL = 0.200 L       (1 mL = 0.001 L)Molarity of NaOH = 0.2 M = 0.2 mol/L…

Q: Q10) A tablet that contained 500 mg of vitamin C (Molar Mass = 176 g/mol) was titrated with 20.15…

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Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: 140 130 120 110 100 NaNO3 90 80 3 70 60 NH&CI KCI NaCI 50 40 30 20 10 KCIO3 -Ce2(SOa)3 O 10 20 30 40…

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Q: solution 2 were taken and added to a flask and 50 mL of Di water were added to the flask. This is…

A: To calculate concentration of each solution, at first  let us calculate the concentration in terms…

Q: The concentration of bromide ions in seawater is approximately 6.70 X 10-3 %(m/v). The lab has a…

A: The concentration of bromide ions in seawater = 6.70 × 10-3 %(m/v). This means that 6.73 × 10-3 g of…

Q: Complete the sentences below: To make 4 liters of a 2.0 M solution you need to dissolve 8 moles of…

A: Here, we have to calculate: the number of moles of NaOH required to make 4 liters of 2.0 M NaOH the…

Q: sea water is analyzed and found to contain 2.25ng of gold for each 1.00l of sea water. how many…

A: Given: 2.25 ng of gold for each 1.00 L of sea water. Volume of sea water = 1.00 m3

Q: 3. An important conversion factor that you must memorize and use in this course is: 1 mg/L = 8.34…

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Q: Strontium chloride and sodium fluoride react to form strontium fluoride and sodium chloride,…

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Q: Part 1. One gram of caffeine dissolves in 55 ml of water; 7 ml of dichloromethane (DCM); 530 ml of…

A: 1.) To calculate solubility, we would use mass of caffeine and volume of solvent.  2.) To extract…

Q: 4. As discussed earlier in solutions involving liquids and solids typically more solute can be…

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Q: You wish to make a standard chloride solution with an approximate concentration of 10.0 ppm. You…

A: The objective of the question is to determine the values of x and y and to choose which method is…

Q: Homework: Prepare 500mL of 0.010M solution of Na+ from Na₂CO³.

A: The molarity of the Na2CO3 solution is given = 0.010 M The volume of the solution is given by = 500…

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: 1.) You are asked to make 1500 mL of TE (1X) using TE (100X). The volume of water used is: a) 95 mL…

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Q: A 300 mL solution containing 1.85 g CaCl2 is mixed with a 500 mL solution containing 1.95 g NaCl.…

A: The total volume of the solution is 800mL and the amount of CaCl2 is 1.85g and the amount of NaCl is…

Q: NaOH was standardized with 0.5 g potassium acid phthalate. At endpoint, 24.20 mL NaOH solution was…

A: Given:  Mass of potassium acid phthalate = 0.5 gm  Molar mass of potassium acid phthalate = 204.2…

Q: A mixture is made of 100.0 ml of water and 1.0 g of silver chloride, AgCl. What does this solution…

A: Molar concentration is a unit of measurement for the concentration of a chemical species,…

Q: Cherise the Chemist needs to make 750.0 mL of 2.00 M H3PO4 solution. She has 14.8 M (concentrated)…

A: Given  750 mL solution of 2.0 M H3PO4 have to be prepare from solution of 14.8M H3PO4 solution.  For…

Q: Question 20 A 500.0mL solution contains 13.0g of NaOH. What is the molarity?

A: Given: The given mass of NaOH, (m)=13.0 g. The volume of the solution, (V)=500 mL=0.5 L. The molar…

Q: Ba2 What is the molar concentration of present in 424 ppm of BaCl, -2H,0 (244.3 g/mol) 1.73×10-3 M…

A: The objective of the question is to calculate the molar concentration of BaCl2·2H2O in a solution…

Q: Calculate the maximum moles of CO2 that can be dissolved in it. Use data that can only be found in…

A: The density of any substance is defined as its mass per volume occupied. Density =MassVolume

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.