The protocol for a given lab experiment specifies that you should prepare a diluted solution by combining 1.0 mL of a stock solution (one that is more concentrated) and 9.0 mL of deionized water. Which piece(s) of laboratory equipment should you use to carry out the dilution?   A. 10 mL volumetric pipet B. 1 mL volumetric pipet C. 10 mL graduated cylinder and a 2 mL serological pipet D. 10 mL seological pipet E. 10 mL graduated cylinder

Q: A chemist is working with two NaCl solutions that each contain evidence of NaCI solid. The chemist…

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Q: A student wishes to prepare 125-mL of a 0.172 M nickel(II) sulfate solution using solid nickel(II)…

A: Given information, Volume of solution = 125 mL Concentration of the solution = 0.172 M   Molarity of…

Q: if you have 208 mL of a 3.62 M solution what concentration (in M) will you have after adding 332 mL…

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Q: 1. A blood serum sample is analyzed and found to contain 102.5 µg Ca²*/mL serum. The density of the…

A: 3) Given that: Molarity of Cr3+ = 0.125 M Molarity of MnO4- = 0.200 M Volume of MnO4- = 12.00 mL

Q: a solution contains 10mL of ethanol and 40 mL of water the density of ethanol is 0.789 g/mL the…

A: Answer: Molarity of ethanol is 3.43 M

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A: 11) The total volume of the solution is 500μL(0.0005L) The concentration of the solution is 3M. We…

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A: Given 5 mL of of Stock solution

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A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for stock solution M2 = molarity for…

Q: GIVE SIMPLE ANSWERS*** 1. a) Describe a mechanical mixture.   1. b) Describe a solution.

A: 1. a) Describe a mechanical mixture.   1. b) Describe a solution.

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A: Note: According to the rule we can solve only one question at a time. For another question please…

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A: Given,

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Q: 15 16 17 18 19 20 21 22 23 24 26 A chemist must prepare 0.225 L of 5.00 M aqueous silver perchlorate…

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Q: A 51.0 mL51.0 mL aliquot of a 1.40 M1.40 M solution is diluted to a total volume of 248 mL.248 mL. A…

A: Given: Initial volume = V1 = 51.0 mL Initial Molarity = M1 = 1.40 M Total volume = V2 = 248 mL

Q: What is the dilution factor when 100 ul is added to a final volume of 5ml?

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Q: We have an HCl solution with a density of 1.1691 g/mL (34% in weight) which we may use to neutralize…

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Q: what the concentration of NaCl in the original solution?

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A: Practical chemistry:

Q: What volume of a 1.20 mol/L stock solution would you use to make 1.00 L of a 0.800 mol/L solution?

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Q: When answering this problem, report the answer with the appropriate number of significant figures.…

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A: Solution -

Q: 8.5 mL of a sample of sea water solution was added to a 44.317 g evaporating dish. The combination…

A: a. The given mass of dish = 44.317 g The weight of solution = 52.987- 44.317 = 8.67 g

Q: 4.84 mL of a dark blue solution with a dye concentration of 15.72 %m/v is diluted to a total volume…

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Q: The protocol for a given lab experiment specifies that you should prepare a diluted solution by…

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A: Solubility is used to determine the amount of solute at equilibrium which is dissolve in solvent.

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Q: 5b

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Q: You have a 2.00 M solution of sucrose and need to use it to make 1.0 L of a 0.500 M solution of…

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Q: 1) What is the concentration in ppm of a solution made with 18.5 g of salt and 125000.00 g of water?…

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Q: You need to treat cells with arsenite such that it has a final concentration of 15 µM once it has…

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Q: How many grams of glucose must be added to 25.9 g of water to prepare a 16.2% by mass glucose…

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Q: A student must prepare 5.000 L of 0.2500 M Na2CO3 (105.99 g/mol). Which is the best procedure for…

A: Given Volume of solution = 5 LMolarity of solution = 0.25 MMolar Mass of Na2CO3 = 105.99 g/mole

Q: How many gallons of a 3% salt solution must be mixed with a 7% salt solution tô öbtäin 100 ĝallöns…

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Q: What volume of 40% w/w HCI (36.5) density 1.198 m/ml must be diluted with water to obtan excatly 250…

A: To get 250 mL of 1.0 F concentration of HCl we need to calculate stock formula concentration of HCl.