Assume the recommended single dose of an antihistamine for a child weighing 36–47 lbs is 1.50 teaspoons (tsp) . If 1.00 tsp contains 12.5 mg per 5 mL of the active ingredient in the antihistamine, how many milligrams of active ingredient does the recommended dose for a child weighing 36–47 lbs contain? Assume that 1.00 tsp=5 mL.

Q: A medical doctor gives the order to administer dopamine at a rate of 3.0 mcg/kg⋅min (mcg is the…

A:

Q: 1.00 mL is taken from a stock solution of concentration 8.47 g/L and added to a 10.0 mL volumetric…

A: Given, Stock solution: Concentration of the stock solution (C1) = 8.47 g/L Volume of the stock…

Q: 1. A 50.00 g sample of a solid is placed into a graduated cylinder and then the cylinder is filled…

A: Given, mass of a sample of solid = 50.00 g            volume of cylinder filled = 100.00 mL…

Q: A particular beer is 6.50 % ethanol by volume (C₂H₆O). If a single bottle of beer contain 750.0 mL…

A:

Q: The concentration of mercury in a polluted lake is 0.33 micrograms per liter of water. What is the…

A: Given,Volume of the lake = 1.5 x 1012cm30.33 micrograms per liter of water

Q: The solubility of CoCl2 in water is 52.9 g of CoCl2 per 100 g of water. 105.3 g of CoCl2 are added…

A: Given: The solubility of CoCl2 in water is 52.9 g of CoCl2 per 100 g of water. 105.3 g of CoCl2 are…

Q: Food dyes have very high LD50 values and they are consumed in very small quantities. Blue Dye #1 has…

A:

Q: Recently the CDC changed the ‘level of concern’ in children with exposure to lead to 5 micrograms…

A: Since,

Q: Dr. Hellman writes an order for 300 mg of a Gl cocktail to be taken every 6 hours by a patient. The…

A: We have to calculate the mL of GI cocktail that has to be given to the patient.

Q: You can calculate cost effectiveness using the following formula: volume of HCI neutralized per…

A: It is given that 23.73 mL of HCl is needed to neutralize one doze which is 2 tablets and the cost of…

Q: A 9.55g sample of a solid was placed in a 15.00mL flask. The remaining volume was filled with…

A: Given,sample of mass solid  Ms=9.55gtotal mass of the (solid +benzene) MT=19.33gmass of benzene MB…

Q: A shopper has a choice of yogurt with three different % m/m concentrations of milk fat (MF): 5.9%…

A:

Q: Hexane is colorless liquid. A 9.85 mL sample of hexane would have a mass of 6.5069 g. If you added…

A: Step 1:Given Data:The volume of hexane sample: 9.85 mLThe Mass of hexane sample: 6.5069 gStep 2:If…

Q: the liquid 2,3 butanedione has a density of 0.981 g/ml at 18.0 degree celcius.If a 103 gram sample…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of…

Q: A dose of 492 mg of acetaminophen is prescribed for a 41−kg child. If one teaspoon contains 5.0 mL,…

A: From the given data it is clear that in 2.5mL of solution 80 mg of acetaminophen is present.

Q: You add 297 grams of NaCl to a container and then you add 898 grams of water to that same container.…

A:

Q: A 9.55g sample of a solid was placed in a 15.00-ml flask. The remaining volume was filled with…

A: Given: Mass of the solid sample= 9.55g Total volume= 15ml The total mass of benzene and sample=19.33…

Q: A pediatrician writes a prescription for “diphenhydramine 7.5 mg PO Q 6 hours × 7 days” for a child…

A: (PO Q 6 hours * 7 days) in the prescription means the medicine has to be taken every 6 hours for 7…

Q: In 1993 the Minnesota Department of Health set a health risk limit for n-butanol in groundwater of…

A:

Q: A particular beer is 6.50 % ethanol by volume (C₂H₆O). If a single bottle of beer contain 750.0 mL…

A: The objective of the question is to find out the mass of ethanol present in a bottle of beer given…

Q: A student weighed a wet 10-mL graduated cylinder. The cylinder contained at least 0.5 mL of water…

A: Given that : A student weighed a wet 10-mL graduated cylinder. The cylinder contained at least 0.5…

Q: A 9.55g sample of a solid was placed in a 15.00-ml flask. The remaining volume was filled with…

A: Density of a substance is defined as mass per unit volume.It is given by the formula

Q: The source of bitterness in dark chocolate is the compound theobromine, an alkaloid present in cocoa…

A: Number of moles is defined as the ratio of given mass by the molar mass. moles =massmolar mass

Q: To measure the blood Ca2+ concentration of a patient’s sample, 5.00 mL of blood was diluted to a…

A: To solve this question we have to careful about units and how many times successive dilution was…

Q: You can calculate cost effectiveness using the following formula: volume of HCI neutralized per…

A: Given Brand X antacid 2 tablets/500 mg dose 40 tablets/container cost:$3.75/container To find Cost…

Q: An aqueous solution of copper(II) nitrate has a volume of 100.0 mL, a density of 1.051 g/mL and a…

A: Volume of solution = 100 mL = 0.100 L Density = 1.051g/mL Mass of solution = (100×1.051) g = 105.1 g…

Q: A chemist prepares a solution of silver oxide (AgO) by weighing out 0.0208 mg of silver oxide into a…

A: From given data  mass of AgO = 0.0208 mg = 2.08 × 10-5 g volume of solution = 50 mL = 0.50 dL…

Q: How many grams of potassium are in 4.25 kg of apples if an apple contains 159 mg potassium and there…

A: The given problem can be dealt with dimensional analysis concept. We can calculate the grams of…

Q: Enter your answer in the provided boxes. Nail polish remover containing acetone was spilled in a…

A: Hope this helps!

Q: The liquid 1,2-dibromobenzene has a density of 1.98 g/mL at 20 °C. If a sample of this liquid at 20…

A: Density= 1.98g/mlVolume is 1.64LWe know that 1L = 1000ml

Q: The liquid 1,2-dibromobenzene has a density of 1.98 g/mL at 20 °C. If a 2.61 kilogram sample of this…

A: In the given question ->Density(d) = 1.98 g/mlWeight of sample = 2.61 kg = 2.61 × 1000 gm = 2610…

Q: Chlorine is used to disinfect swimming pools. The accepted concentration for this purpose is 1 ppm…

A: The values are given as follows:

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: This question can be solved by using basic conversion factors as used in the solution given below. 1…

Q: In 1993 the Minnesota Department of Health set a health risk limit for BCME in groundwater of 2.00…

A:

Q: A patient is treated with hydroxychloroquine for malaria. The drug is given based on the body mass…

A: Given, A patient is treated with hydroxychloroquine for malaria. The drug is given based on the body…

Q: Tracy is receiving lanoxin every 8 hours. She weighs 63 kg. The dose range for this drug is 0.030 to…

A: Given weight of Tracy is 63 kg.  Dose range of lanoxin is 0.030 to 0.060 mg/kg every day. The…

Q: The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for adults. Using…

A: The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for adults.

Q: After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40 and…

A:

Q: A student measured the mass of an empty micropicnometer to be 2.000g. A student places 0.500mL of…

A: Part(a): Given that the mass of micropicnometer = 2.000 g Mass of micropicnometer + citric acid =…

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: the volume of ocean is given as 7.53  km3  = 7.53 X 1 × 1015 cm3 = 7.53 X 1015 cm3  since 1 cm3 = 1…

Q: A chemistry student weighs out 0.0598 g of acrylic acid (HCH₂CHCO₂) into a 250. mL volumetric flask…

A: Reaction is  HCH2CHCO2 + NaOH→ CH2CHCO2Na      + H2O   Given : mass of acrylic acid = 0.0598 g…

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.