17.100 ml of 5:3:2 ethylene: chloroform: isoamyl alcohol 18. Convert 50 ppm to g/L 19. Convert 50 ppm to mg/L 20. Convert 5 ppb to ul/l

Q: Convert 0.30 mg L-1 to ppb. Put value without unit.

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Q: Water pollution is defined only as any physical or chemical change in water that: 1 a. Improves the…

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Q: 6. What is the percent by volume of isopropanol in a 90ml solution that contains 25ml isopropanol?…

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

Q: Percentages represent grams/100m1. So a 1% SDS solution has 1 gram of the detergent SDS in 100ml of…

A: Concentration is a parameter that is used to quantify the amount of substance. The concentration…

Q: 2 ml 1 ml 1 ml 1 ml STOCK solution colored- dye bottle 1 mg/ml A B C D E Volume of water 4ml 4ml 4ml…

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Q: An injectable preparation comes packaged as a 4 g vial and states that you should add 35 mL to…

A: concentration in mg/mL = Mass of drug/Volume of solution

Q: A 5.04 g sample of a solid containing Ni is dissolved in 20.0 mL water. A 5.00 mL aliquot of this…

A: concentration of Ni in 20mL = 5.53ppm x dilution factor…

Q: How to make 80 micro mol Nacl solution ( mwt NaCL 55.8)? How to make 50 mili molar NaCL solution…

A: In order to solve this question, we will be using basic mole concepts and finding out the amount of…

Q: 4. Ingredients Acetaminophen 1. 2. Alcohol Quantity 800 mg 0.5 ml 5ml 25ml 3. Glycerin 4. Cherry…

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Q: What mass of ethylene glycol (MW. = 62.1 g/mol) antifreeze must be added to 10.0 liters of water to…

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Q: 9.)Table salt can be collected from salt water by evaporation. The water is placed in large shallow…

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Q: A chemist mixes 28.4 g of acetone with 60.1 g of 4-methyl-2-pentanone and 4.31 g of methanol.…

A: Percent by mass is defined as the mass of the substance divided by the total mass of the mixture…

Q: Examine the solubility chart below and answer questions 5-12 a00 Sugar 200 KNO, 220 180 NANO, 140…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Refill the burette with the standardized 0.5 M NaOH solution provided. Record the initial volume of…

A: Moles of NaOH required = Moles of vinegar (acetic acid) neutralized

Q: A solution contains 11 ppb of toluene. This means that ___.     1 g of solution contains 11 × 10-6…

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Q: A 551 ml container of 70% (v/v) Isopropanol (rubbing alcohol) contains how many mL of isopropanol?…

A: The volume of isopropanol is to be calculated

Q: How much of the preservative is needed to prepare a 120-mL preparation of Aluminum hydroxide gel…

A:

Q: 1 Sr(NO3)2 (aq) with 9.8 X 10" aq)? of the following is entirely 3.5 x 107, ppt forms 2.5 x 10-11,…

A: SrF2 ----> Sr2+(aq.) + 2F-(aq.) Reaction Quotient  Qsp = (6.6×10-2)(9.8×10-6)2 = 6.34 ×10-12

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: Which of the following can be used to measure a very small concentration (much less than 1% m/m)?…

A: Given: Mass percent of solute is much less than 1 % (m/m) (assuming its 0.0001 %). Assuming 100 g of…

Q: 1. What volume of toluene do you need to add to 1 mL of ethyl acetate to make an equi-molar mixture?…

A: Introduction :  Equimolar solutions can be defined as the the solution which contains the same…

Q: Water purification is essentially not * a. filtration of solids b. removal of chemical c.…

A: In this question, we have to answer which option is not included in water purification.

Q: A solution contains 6 umol Na2SO4 in 284 ml. How many ppm Nat does it contain? A.W Na=23 S=32 0=16…

A: The concentration in ppm is calculated as the ratio of grams of solute and the volume of the…

Q: a. Convert 15 ppb to units of percent by mass (density is 1.00 g/mL) b. Protective layer can form…

A: We will convert ppb to percent and solve the question.

Q: You need to analyze an aqueous alcohol solution in the laboratory. You separated 367 mL of this…

A: The solution is as follows:

Q: Solid particles in water may exist in 3 ways - dissolved, dispersed, or suspended. (True/False)…

A: Answer-1 True   Explanation: Solid particles in a solution can exist in 3 different forms. When they…

Q: 500.0 mL 0.2 M KI 2. 500.0 mL 0.2 M KCl 3. 500.0 mL 0.1 M K2S2O8 4. 500.0 mL 0.1 M K2SO4 5.…

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Q: An enzyme stock solution is 100 µg/µL. The stock solution is serially diluted 4 times by a dilution…

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Q: 100 mL solution was prepared by dissolving 10.00 g of CaS04 (MW= 136. 14 g/mol) in water. The ensity…

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Q: 18. Convert 50 ppm to g/L

A: Since you have posted multiple questions, we will solve only one question for you. If you want…

Q: . You have a concentrated stock solution of bacterial LPS in water that has a concentration of 1…

A: Since the dilution factor is inversely proportional to the concentration of the solution.

Q: Benoxinate hydrochloride 0.4% w/v Fluorescein sodium 0.25% w/v Sodium chloride qs…

A: Answer: 226.35 mg of sodium chloride required to make  isoton. Sol. explaination: step 1:…

Q: How many ppl are there in 1 ppm? 10 100 1000 10000

A: 1000 ppl are there in ppm .

Q: What is the BEST numerical value for the quantity of liquid in the graduated cylinder? 20 30

A: The liquid measurement is the amount of liquid in a measuring cylinder or vessel contains. The…

Q: You have a solution which is 45.7% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: What is the concentration of the AR stock solution in ppm? Using the molar mass of AR (496.42…

A: Given data:Concentration of AR Stock solution (ppm)= 21.22To deterine:Concentration of Stock…

Q: 100 ppm mean that. * O 100 g per liter. O 100 kg per liter. O 100 mg per liter.

A:

Q: How many millilitres of concentrated sulphuric acid, 99.0% , density 1.831 g/cm3, are required to…

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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.