The daily dose of ampicillin for the treatment of an ear infection is 115 mg ampicillin per kg of body mass. The pill is dispensed in 500.0 mg tablets.  How many tablets should be given daily for a child weighing 75 lbs? Assume that a fraction of a tablet can be administered. Also assume that 1 kg is equivalent to 2.205 lbs.

Q: A sample is found to contain 8.47×10-6 g of salt. Express this quantity in nanograms.

A: Given that Mass of sample (salt) = 8.47 × 10-6 g Mass of sample  = ? ng

Q: If you add 21.1 mL of solution from a buret into a flask that already contained 38.7 mL of solution,…

A: Given that,  21.1 mL of solution from a buret is added into a flask that already contained 38.7 mL…

Q: 8. On his birthday, Emilio received a gold nugget as a present from a friend and was curious to…

A: Given -> Weight= 17.24 gm Initial volume= 12.3 ml Final volume= 13.4 ml Density of pure gold =…

Q: A chemist prepares a solution of sodium chloride (NaCl) by weighing out 2.346 g of sodium chloride…

A: Concentration (w/V) = wt of solute in gram /volume of solution in Litre (V ltr)

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

A: Given : Mass of water in swimming pool = 8.45 X 104 gallons  Mass percent of chlorine = 6.00 %  And…

Q: A sample is found to contain 9.75×109 g of salt. Express this quantity in milligrams.

A:

Q: If the snack food is pretzels and a single pretzel has a mass around 1.5g, how many pretzels would…

A: The mass of one pretzel is 1.5 g,The mass of the daily requirement of sodium intake is 2.25 g,The…

Q: A bottle of sodium hydroxide (NaOH) was found to contain 1.23 lb of this chemical. Express the…

A: The conversion factor can be described as the numerical factor that is used to convert one set of…

Q: What is the density (g/mL) of an object that has a mass of 0.2182 kg , when placed into a graduated…

A: Solution - Density - Density is a measure of mass per volume. The average density of an object…

Q: A certain Animal Tranquilizer has a recommended dosage of 0.020 mg/kg for a large animal. A worker…

A: Calculating dose of a tranquilizerCalculations shown in picture

Q: A chemist must prepare 775. mL of 715. mM aqueous barium chloride (BaCl₂) working solution. She'll…

A: Given:Molarity (M1) of BaCl2 stock solution = 0.955 MMolarity (M2) of BaCl2 diluted solution = 715…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Digitalis, a drug used to control atrial fibrillation in patients is to be given as 20.0 mg/kg body…

A: Given: Body weight = 160.0 pound Dose for patient: 20.0 mg/kg body weight 2.205 pounds = 1.00 kg

Q: You have weighed out 24.5685 g irregular solid chips on an aluminum foil and transferred those chips…

A: Given : mass of solid = 24.5685  initial volume of water in cylinder = 50 mL And final volume of…

Q: The average density of blood is 1.060 kg/L. The average human body contains 5.00 L of blood. What is…

A: average density of blood = 1.060 kg/Laverage volume of blood = 5.00 Laverage mass of blood = ?

Q: PART A: A solution of cough syrup contains 5.00% active ingredient by volume. If the total volume of…

A: Total volume of bottle = 74.0 mL active ingredients = 5.00%  So, mL of active ingredients = 74 x…

Q: Consider the following liquids: 1-pentanol d = 0.8146 g/mL Isopropyl alcohol d= 0.7851 g/mL…

A: The density is a characteristic parameter that decides the identity of the substance. The density of…

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km, Suppose a…

A:

Q: A chemist prepares a solution of copper(II) fluoride (CuF₂) by weighing out 0.0307 mg of copper(II)…

A: Given: The mass of copper(II) fluoride taken is 0.0307 mg. Volume of water is 50.0 mL.

Q: An nickel ore weighing 85.245 g was placed in a flask having a volume of 45.25 mL. The flask with…

A: Given the weight of ore is 85.245 g and was placed having a volume of 45.25 m L. Total mass of the…

Q: A child must take 10 mL of cephalexin, an antibiotic, by mouth 2 times a day for 7 days. The…

A: Given : volume of each dose = 10 mL number of doses in a day = 2  number of days the dose need to be…

Q: A chemist must dilute 0.0659 L of 2.78 M aqueous sodium chloride (NaCl) solution until the…

A: Given: The initial molarity of sodium chloride = 2.78 M The initial volume of NaCl solution = 0.0659…

Q: You can identify a metal using its density. If you have a metal brick that you measured to be 4…

A:

Q: What is 3/4 cup packed brown sugar converted into nanograms? 1 cup brown sugar = 213 g  1 nanogram…

A:

Q: 1. A 25 mL flask is known to hold a total volume of 27.64 mL when completely filled. The empty flask…

A: Given ,Volume of falsk = 25 mLTotal volume it can hold = 27.64 mLMass of flask = 45.897 gMass of…

Q: You recently completed a lab on density.  Define density.  Suppose we have a solid object with a…

A: Density: The mass of unit volume is known as density. The density of gold is given by: density of…

Q: A swimming pool measures 45.0 meters by 30.0 meters. How many grams of water are needed to fill the…

A: The density of water is = 1.00 g/mL The dimension of the pool is = 45.0 m × 30.0 m × 7.20 feet The…

Q: The solubility of benzic acid in water at room temperature is 0.38 g per 100 ml of water. If 4.62 g…

A: When benzoic acid is dissolved in 100 ml of hot water (assume all the benzoic acid dissolves) and…

Q: What is 3/4 cup granulated sugar converted into nanograms? 1 cup of sugar = 198 grams 1 nanogram =…

A: Nanogram is the unit of measurement of mass  at  micro level.

Q: A patient is to receive Tazidine by intramuscular injection. A 10.0 mL vile contains 1 g of dry…

A: The concentration of a solution can be defined in terms of molarity as the ratio of the amount of…

Q: Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km. Suppose a…

A: Diameter of the wire = 0.080 mm Weight of wire per km = 44.5g   Weight of wire used to wind a magnet…

Q: 3. When a piece of metal weighing 108 g is submerged in water the volume changes from 36.9 mL to…

A: Answer of the 1st question is explained below, hope you like it. Ans: Density of the metal is 8.78…

Q: The maximum dosage of medicine A is listed as 20.0 mg per kg of body weight per day. The adult…

A:

Q: In the lab you weigh 12.54 g of NaCl to make a stock solution of 5.12 M. To further dilute the…

A: Given data, Initial concentration (stock solution M1) Final concentration (M2) Final volume (further…

Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Given :  Mass of hydrobromic acid = 26. gm  Mass of NaOH = 5.89 gm

Q: An athlete eats 95 grams of protein per day while training. Use the facts to find how much this is…

A: The unit has to be converted in such a way that the unit that has to be converted should get…

Q: A chemist must dilute 48.2 mL of 6.08 mM aqueous calcium sulfate (CaSO,) solution until the…

A: We have to dilute the given solution and calculate it's final volume

Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.