A blood sample of 2.81 milliliters is collected from a patient to be anaylzed for a platelet count. Human blood should have around 1.04 kg/L platelets. What is the expected mass in grams of platelets in blood samples.

Q: the recommended adult dose of elixophyllin, a drug used to treat asthma, is 6.0 mg/kg of body mass.…

A: The given weight of a person in pounds is converted into kilograms.

Q: Sugar has a density of 1.59g/cm3. A single pack of sugar has an average mass of 7.5g. What is volume…

A: Volume is the amount of 3D space a substance or object occupies. ... Volume is a derived unit,…

Q: What is the volume in liters of 1.000 oz, given that 1 L = 1.0567 qt and 1 qt = 32 oz (exactly)?

A: A unit can be converted into another by multiplying with the suitable conversion factors knowing the…

Q: A student finds that mass of an object is 4.131 g and its volume is 7.1 ml. What density shoud be…

A: The density is defined as the ratio of mass to volume. d=mV where d, m, and V represents density,…

Q: A urine sample has a mass of 145 g and a density of 1.010 g/mL. What is the volume of this sample?

A: Given,  The mass of urine sample = 145 g.  The density of the sample = 1.010 g/mL. The volume of…

Q: The density of liquid chloroform is 1.48 g/mL. What is its density in units of lb/in3? (2.54 cm = 1…

A: Unit conversion is useful to calculate numerical in same unit and without errors. Density is defined…

Q: An experiment requires 43.7 g of isopropyl alcohol. Instead of measuring out the sample on a…

A: Density is defined as mass per unit volume. Mathematically, it is expressed by equation (1).

Q: A metal cube weighs 1.285 kg. The length of a side is 1.97 inches. What is the density in g/cm3?…

A: Introduction :  We have to calculate density of metal . Given : weight of cube = 1.285 kg . Length…

Q: A particular medication dosage is 20.1 mg/kg of body weight. If 1.00 mL of the medication contains…

A:

Q: Aluminum has a density of 2.70 g/cm3. What mass of Al would displace a volume of 10.25 mL?

A: Given that  density = 2.70 g/cm3  Volume = 10.25 mL mass = ? we know that 1 cm3 = 1 mL hence, Volume…

Q: a laboratory apparatus that measures volume between 0.1 to 1.5 ml?

A: A long thin apparatus used to measure the volume between 0.1 to 1.5 mL accurately. This apparatus is…

Q: Ethanol has a density of 0.79 g/mL. What is the volume in quarts of 1.50 kg of alcohol?

A: The density (d), mass (m) and volume (V) of

Q: A normal value for blood cholesterol is 200. mg/dL of blood. If a normal adult has a total blood…

A:

Q: Chloral hydrate, a sedative and sleep-inducing drug, is available as a solution labeled 10.0…

A: Given: The concentration of Chloral hydrate= 10.0 gr/fluidram Conversion factors are as follows: 1…

Q: Given the two liquids, gasoline (d = 0.70 g/mL) and chloroform (d = 1.5 g/mL), how could you…

A:

Q: the daily dose of an antibiotic for the treatment of an ear infection is 115 mg/kg of body weight.…

A: Given, daily dose of antibiotic = 115 mg/kg            weight of antibiotic tablet = 250 mg…

Q: The recommended calcium intake for teenagers is 1300 mg per day. A glass of milk contains 305 mg of…

A: The recommended calcium intake for teenagers is 1300 mg per day. A glass of milk contains 305 mg of…

Q: Approximately 75mL of blood is pumped by a normal human heart at each beat. Assuming an average 72…

A:

Q: A doctor prescribes 2.5 g of a drug, daily, for a patient. The pharmacist has only 500 mg tablets…

A: Solution: We know for unit conversion: 1 g = 1000 mg. Here we want 2.5 g of the drug. But chemist…

Q: The dosage for an antibiotic is prescribed at 8.0 mg per kilogram of body weight, taken twice daily…

A:

Q: A 26.0-oz container of salt costs $0.89. (Conversions: 6 teaspoons = 1 ounce; 16 ounces = 1 pound.)…

A: In the given case total amount of salt is given along with its cost. By using proper unit conversion…

Q: a pycnometer weighs 25.60 grams empty and 35.55 grams when filled with water at 20C. The density of…

A: Volume of water in pycometer when it is filled with only water is calculated as follows,

Q: A spherical object has a specific gravity of 4.05 and a radius of 1.16 cm. After this object is…

A:

Q: An adult should have no more than 2303 mg of sodium per day. What is this limit in kilograms (kg)

A: According to the question, the daily limit of sodium intake for an adult is 2303 mg. Given: The…

Q: On average, Earth’s crust contains about 8.1% aluminum by mass. If a standard 12-ounce soft drink…

A: Given: Mass of Earth's crust = 2 ton = 2000 Kg.                             (Since 1 ton = 1000 Kg)…

Q: What is the mass in gram og 1 gal of water? The density of water is 1 gram per ml

A: 1 galloon = 3.7854 litres.Volume = 3.7854 litres.1 L = 1000mL3.7854 L = 3785mL.Density = 1g/mL.

Q: Rolls of aluminum foil are 304 mm wide and 0.016 mm thick. What maximum length of aluminum foil can…

A: Width of Aluminum roll = 304mm Thickness of Aluminum roll = 0.016mm Mass of Aluminum = 1.10kg The…

Q: what is the density of a peice of wood that weighs 78 mg and displaces 407 mL of water?

A: The formula used to calculate density is,

Q: Nitroglycerine, used to treat patients with angina, is prescribed for a patient by IV at a rate of…

A: Given,Prescribed rate = 235 μg/minIV bag = 50mg nitroglycerine/250 mL D5W

Q: GenAlex Medical, a leading manufacturer of medical laboratory equipment, is designing a new…

A:

Q: A certain medication is available only in 300 μg tablets. If the patient needs to take 1.2 mg per​…

A: We must know relation between units so as to convert one unit to another. 1 µg = 10-6 g = 10-3 mg

Q: A patient weighing 100 lb must receive 1.5 mg/kg PO of a drug. how many 700mg tablets will you…

A: Given:: Weight of patient = 100 lb Dose = 1Kg weight consume 1.5mg of tablet then,

Q: The pediatric dose of cefixime is 30 mg/kg/day. If a child was given a daily dose 2 teaspoons of…

A:

Q: Gold, one of the most sought-after metals in the world, has a density of 19.3 g/cm3g/cm3, a melting…

A: Given : Volume = ? Mass = 23.53lb Density = 19.3g.cm-3

Q: The daily dose of ampicillin for the treatment of an ear infection is 115 mg/kg of body weight. If…

A:

Q: Human blood typically contains 1.04 kg/L of platelets. A 7.29 pints of blood would contain what mass…

A:

Q: The density of methanol, a colorless organic liquid used as solvent, is 0.7918 g/mL. Calculate the…

A: Given density = 0.7918 g/mL.

Q: ethanol has a density of 0.789 g/cm3. what volume must be poured into a graduated cylinder to give…

A: Volume = mass / density

Q: How many significant figures should be reported on a 25 mL buret?

A:

Q: A pharmacy technician is asked to prepare an antibiotic IV solution that will contain 500 mg of…

A: A pharmacy technician is asked to prepare an antibiotic IV solution that will contain 500 mg of…

Q: If the accepted daily intake of blue dye is 12.0 mg dye per kilogram of body weight per day. How…

A: Acceptable daily intake of blue dye = 12.0 mg dye/kg body weight. Mass of blue dye in 20 oz bottle =…

Q: The density of bismuth metal is 9.8 g/cm3. What is the mass of a sample of bismuth that displaces…

A:

Q: Acetone is a common solvent that has a density of 0.7899 g/ml. What volume of acetone, in milliners,…

A:

Q: Of the density of baking soda is 2.1 g/ml how many grams of baking soda are present in 5.9 ml (the…

A: Given : volume of baking soda solution = 5.9 mL And density of baking soda solution = 2.1 g/mL

Q: one box of iron nails contains 85 nails and weighs 0.260lbs lbs total. The density of iron is…

A: As there is water inside the cylinder if we are adding some iron nails in it there will be a rise in…

Q: The mass of a 10 mL of graduated cylinder is 11 g. When 9 mL of a liquid A is poured into this…

A: Given data,Mass of cylinder=11gMass of cylinder+mass of liquid=24.5gVolume of liquid=9mL

Q: The recommended pediatric dosage of Velosef is 15mg/kg/day. What is the daily dose, in mg, for a…

A: Given: Recommended dosage of Velosef = 15 mg/kg/day. Mass of the child = 53 lbs. The stock vial of…

Q: The volume of 1 unit of plasma is 200.0 mL . If the recommended dosage for adult patients is 10.0 mL…

A: Use the dimensional analysis to find out the units of plasma needed for patient with body mass of…

Q: An internist orders 10 mg per 5 kg of body weight of a drug for a female patient who weighs 110 lb.…

A: An internist orders 10 mg per 5 kg of body weight of a drug for a female patient who weighs 110 lb.…

Q: Quinine, a drug isolated from the bark of the cinchona tree native to the Andes Mountains, is an…

A: First calculate the dose of Quinine given per kg in a week. Then multiplying this value with 28 will…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.