Ethanol is metabolized in most people at a constant rate of about 120mg per hour per kg body weight, regardless of its concentration. If a 70kg person were at twice the legal limit (160mg/100ml), how long would it take for their blood alcohol level to fall below the legal limit?

Q: The lethal dose of potassium cyanide (KCN) in Rats is 10mg KCN per kilogram of body weight. What is…

A: A ppm is nothing but an abbreviation of the term “parts per million” and this quantity can also be…

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Q: A physician orders 20 mcg of Lanoxin every 12 hours. 1mg/100mg lanoxin is available. How many will…

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Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

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Q: What is the mass in kg of 2.00L of an intravenous glucose solution with a density of 1.15g/mL

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Q: the ED50 of a recreational drug be defined as the amount required for 50% of a test group to feel…

A: ED50 of a recreational drug be defined as the amount required for 50% of a test group to feel high…

Q: You are given .250 L of 12 M solution of CsOH. What would be the new volume of the solution if its…

A: The product of concentration and volume term before and after dilution remains the same, and…

Q: You are given a small beaker of solution at room temperature. You add a bit of solute to the…

A: An unsaturated solution is the one in which solution can be dissolved at constant temperature,

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: (d). 1. MgBr 1. O3 (2 equivalents) 2. Me,s 2. H20 K2Cr207 H2SO4 (2 equivalents)

A:

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: 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: ADWA) sets a limit for mercury- a toxin to the central nervous system- at 0.0020 ppm by mass. Water…

A: In this question we have to find out the volume of water in litre by a person have to consume to…

Q: Which solution is placed inside the buret? NaOH O vinegar O water OKHP

A: Which solution is placed inside the buret?

Q: What volume of solution (100ug/ml) will be administered to a rat weighing 150g, if the required…

A: Answer: Volume of the solution that will be administered is 150 mL. Given  Density of the…

Q: C. Electrolytes in Body Fluids 1. Type of IV Solution 5% Isolute P (mEa/L) Plasnalyte (mEg/L)…

A: Since the total charge of the cations in mEq/L = total equivalents of the cations And the total…

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: We have given that  139.1 mg of NaCl is dissolved in 373.08 L of water. What is the concentration of…

Q: A soft drink contains 11.5%% sucrose (C12H22O11C12H22O11) by mass. How much sucrose, in grams, is…

A: Given, A soft drink contains 11.5% sucrose (C12H22O11) by mass. The mass of sucrose, in grams, is…

Q: 20. A water sample is 0.00055 M in CaCO3 (MW= 100.09 g/mol). The concentration in parts per million…

A: Concentration in terms of parts per million is defined as mass of solute upon mass of solutions…

Q: What is the total mass (mg) of a blue dye with a concentration of 19.5 mg/L in a 20 oz bottle…

A: Guven,  A blue dye in 20 oz bottle  Volume in 20 oz bottle  = 591 mL And , concentration = 19.5  mg/…

Q: This question is about solubility of liquids in liquids. Please help me answer it In two separate…

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Q: If phosphate buffered saline (PBS) has a chemical formula CI2H3K2NA3O8P2 and 3. density of 1.0627…

A: Considering Equal masses have been mixed, density has been calculated below: I different masses of…

Q: A vial of amoxicillin contains 590. mgmg in 2.6 mLmL of solution. What volume of the solution…

A: Molarity is defined as no.of moles of solute devided by volume of solution in liter.

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: 10g of sodium nitrate is dissolved in a 90 ml of H2O (density of H2O=

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Q: Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%. Write the…

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

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Q: topical antibiotic is 1.0 % (m/v) clindamycin. What does this statement imply? 1.0 g clindamycin in…

A: 1- ( m/v  ) is mass / volume their meaning is mass of salute dissolve in volume of the solution.…

Q: If a single dose of azithromycin for oral suspension for a 1.5 years old child is 125 mg. Calculate…

A: The mass of a single dose of azithromycin for 1.5 years old child is = 125 mg The concentration of…

Q: How would you make .500 L of .0056 M solution of HCl, how would you instruct me to make it?  Make…

A: For HCl  Solution : Molarity = 0.0056 M = 0.0056 mol L-1 Volume = 0.500 L              = 0.500 ×…

Q: A 4.55 L sample of water contains 0.115 g of sodium ions.  Determine the concentration of sodium…

A: Given values -> Volume of water = 4.55litere Weight of sodium ion = 0.115gm Density of the…

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: Explain how drying, salting, fermentation, canning, and freezing preserve food.

A: how drying, salting, fermentation, canning, and freezing preserve food.

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: Too much iron in drinking water can cause the following undesirable effects: rusty color; sediment;…

A: 1) Concentration in ppm is given by  volume of water = 3.82 X 104 L = 3.82 X 107 mL…

Q: normal range of serum glucose is 90-110 mg/dl, express this in mmol/L

A: The normal range of serum glucose is (4.99 - 6.11) mmol/L.

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: Whats the mass of KIO3 that will consume 350 ml of .1 M Na2S2O3?

A: Molarity is a term used for concentration which shows the moles of solute dissolved per liters of…

Q: A very young child is prescribed 2.0 ml of an analgesic suspension three times a day for 4/7. How…

A: 1.  The volume of suspension should be dispensed by pharmacist = 2 mL x 3 x 4…

Q: Explain the methods of household contaminated wastewater purification

A: Untreated sewage water in such areas can contaminate the environment and cause diseases such as…

Q: A 900.0 g sample of sea water is found to contain 6.7 x 10 -3 g Zn.  Express this concentration in…

A: The concentration has to be given in ppm, Formula used: ppm=mass of solute/mass of solution×106

Q: Very dilute amounts of ions and molecules are often reorted in parts per million (ppm). The units…

A: Given  1ml of water = 1g of water  we know 1L  = 1000 ml  if 1ml of water contains 1g water  1000 ml…

Q: How many milliliters of glycerol (C3H8O3, p= 1.26 g/mL) must be added per kilogram of water to…

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Q: The density of concentrated ammonia, which is 28.0% w/w NH3 is 0.899 g/mL. What volume of this…

A: Given, Concentration of concentrated ammonia solution = 28.0 % w/w Density of NH3 solution = 0.899…

Q: tô make a larger volume of the solution. Example: An IV saline solution is based on 0.9% NaCl =…

A: Concentration: Concentration in chemistry refers to quantity of solute (moles of solute) present in…

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

A: Answer:- this question is answered by using the simple concept of calculation of mass using the…