What is the total mass accumulated in a beaker by successive additions of solids in  the amounts 45.65 mg, 8.38 g, and 56840.5 g

Q: The density of ethylene glycol (anti-freeze) is 1114 kg/m3. How much mass (in kilograms) of this…

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Q: In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: A) Given : mass of sand = mass of idol And volume of idol = 1.5 L Since mass = density X volume…

Q: A chemist must dilute 39.5mL of 664.mM aqueous barium acetate BaC2H3O22 solution until the…

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Q: International computer communications are often carried by optical fibers incables laid along the…

A: Given, the mass of optical fiber = 1.19 x 103 lb/m            Length of each strands optical fiber…

Q: You are to give ampicillin, with a recommended dose of 45 mg/kg, to a child with a mass of 24 kg. If…

A: Given: recommended dose = 45 mg/kg (45 mg per kg of child weight) Mass of child = 24 Kg. Mass of 1…

Q: Solids Density Lead 11.37 Silver 10.57 Соpper 8.92 Brass 8.90 Nickel 8.57 Iron 7.90 Aluminum 2.67…

A: Given :-  Density of Aluminium = 2.67 Density of Oak = 0.80 Mass of Aluminium = 2g Mass of Oak = 2g

Q: A sample of metal pellets weighs 13.54 g. When this sample was placed in a 100-mL graduated…

A: Calculate the volume of metalVolume of metal = 27.0 mL – 25.5 mL = 1.5 mL = 1.5 cm3Calculate the…

Q: The volume of water used for crop irrigation is measured in acre-feet, where 1 acre-foot is the…

A: (a)  Since 1 acre = 43560 ft21 acre-foot = 1 acre × 1 foot So, 1 acre-foot =  43560 ft3So, cubic ft…

Q: A student performs an experiment to determine the density of a sugar solution. She obtains the…

A: A data is said to be precise if experimental values are close to each other.  A data is said to be…

Q: A chemist must prepare 625.mL of 149.μM aqueous magnesium fluoride MgF2 working solution. He'll…

A: Dilution is the solution obtained by adding more solvent in the stock (more concentrated) solution.…

Q: What mass (in g) of HCl is contained in 45.4 mL of an aqueous HCl solution that has a density of…

A: Volume of an aqueous HCl solution = 45.4 mL  Given that density of 1.084 g·cm−3 at 60°C that means…

Q: A chemist prepares a solution of copper(II) fluoride (CuF,) by weighing out 0.0245 g of copper(II)…

A: Given: mass = 0.0245 g volume = 50 mL = 0.5 dL we have to determine the concentration of copper…

Q: A saline solution contains 0.92% (w/v) NaCl in water. What volume (in mL) of the saline solution…

A: Given in following question a saline solution contains 0.92%w/v   NaCl in Water.  What volume of the…

Q: A chemist must prepare 800.mL of 270.mM aqueous potassium permanganate KMnO4 working solution. He'll…

A: Volume of solution to be prepared = 800 mL Concentration of solution = 270 mM = 0.270M Concentration…

Q: The population density of worms in a particular field is 33 worms per cubic meter of soil. How many…

A: Given dimensions of field = 1 km × 1.5 km density of worms = 33 worm per cubic meter of soil

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A: Solution :       The molarity of the solution is defined as the number of moles of solute dissolved…

Q: A manufacturer of paint claims that a gallon (3.78L) of latex paint can cover 365 ft2 of the surface…

A: A numerical problem based on dimensional analysis, which is to be accomplished.

Q: A chemist must prepare  225.mL  of  55.0mM  aqueous potassium permanganate  KMnO4  working…

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Q: A chemist must prepare 575.mL of 1.00M aqueous sodium carbonate Na2CO3  working solution. She'll do…

A: When a concentrated solution (stock solution) of concentration C1 and volume V1 is diluted by adding…

Q: A pycnometer is a glass flask with a tight fitting glass stopper that can be used to determine the…

A: Mass of clean pycnometer = 25.151 g Mass of clean pycnometer plus water = 42.481 g  Initial mass of…

Q: Lipitor, a pharmaceutical drug that has been shown to lower "bad" cholesterol levels while raising…

A: Given  The mass of the 1 pill = 1.0g  Active ingredient contain in each pill = 5.5% i.e., (5.5/100)…

Q: A waterbed filled with water has the dimensions 8.0 ft x 7.0 ft x 0.75 ft. Taking the density of…

A: Given: The dimensions of the waterbed = 8.0 ft × 7.0 ft × 0.75 ft The density of water = 1.00 g/cm3…

Q: A 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding _______ grams…

A: 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding 18 grams of…

Q: You wish to prepare 211 grams of 16.6 % Mg(CH3COO),. . You will need grams of magnesium acetate and…

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Q: 25.00 g sample of a solid is placed in a graduated cylinder and then the cylinder is filled to the…

A: Use formula density= mass/volume

Q: Automobile batteries are filled with an aqueous solution of sulfuric acid. What is the mass of the…

A: A percentage (by mass) solution is one which indicates the amount of solute (g) present per 100 g of…

Q: How many pounds of carbon dioxide (CO2) are generated annually due to driving a car based on the…

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Q: Magnesium is used in alloys, in batteries, and in the manufacturing of chemicals. It is obtained…

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Q: TUMS is a popular remedy for acid indigestion. A typical TUMS tablet contains calcium carbonate plus…

A: TUMS is an antacid medicine which is taken during acid indidestion.when it reacts with gastric…

Q: For a pharmacist dispensing pills or capsules, it is often easier to weigh the medication to be…

A: Given:A single antibiotic capsule weighs 0.50 g and a pharmacist weighs out 12.5 g of capsules for…

Q: A pheromone is a type of volatile compound produced by a variety of insect species for chemical…

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Q: In a certain cement production, 100 kg of limestone containing 90% carbonates (Calcium and Magnesium…

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Q: A chemist must prepare 775.mL of 1.00M aqueous barium chloride, BaCl2, working solution. He'll do…

A: Given, V1 =  775.mL M1 = 1.00M V2 = ? M2 = 1.73M

Q: The solubility of benzoic acid in water at room temperature is 0.54 g per 100 mL of water.  If 4.95…

A: Crystals are formed by a saturated solution and by the solute which is present in extra amount and…

Q: The Empire State building in New York City is approximately 1250 ft tall. How many U.S. nickels…

A: a) To find number of U.S. nickels in stack of the 1250 ft. tall building. Given  thickness of 1…

Q: I think I did a calculation wrong but I am having trouble understanding significant figures. In…

A: Significant figures: These are the digits of a number that are useful in terms of accuracy and…

Q: A chemist must dilute  16.6mL  of  2.03M  aqueous zinc nitrate  ZnNO32  solution until the…

A: Given data contains, Initial volume is 16.6 mL. Initial molarity is 2.03 M. Final volume is x. Final…

Q: 7) Tums is a popular remedy for acid indigestion. A typical Tums tablet contains calcium carbonate…

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Q: To identify a metal, an experimenter placed, 4850cg sample in a graduated cylinder. He then poured…

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Q: A chemist prepares a solution of barium acetate (Ba(CH,CO,),) by measuring out 1.3 x 10 umol of…

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Q: The density of a metal is calculated as follows. The weight of 57.4 grams is divided by the volume…

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

Q: A chemist prepares a solution of mercury(I) chloride (Hg,Cl,) by measuring out 0.00116 pmol of…

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Q: Which of the following is a physical property?     Which of the following items is a pure…

A: Interpretation-  There are too many questions which are given as above mentioned so just answer of…

Q: Convert the following chemicals in your recipe to their respective mass in grams and then to a…

A: Answer - Molecular formula of baking soda = NaHCO3   Molar mass of baking soda =  23*1 + 1*1 + 12*1…

Q: the unit of land measure in the english system is the acre, while that in the metric system is the…

A: We have to calculate the area in hectares.

Q: If a sample of unknown substance has a mass of 3.50 kg and a volume of 1.30 L, what is the density…

A: Given : Mass of substance = 3.50 Kg = 3500 g…

Q: A certain solution is 5.84 % by mass in calcium carbonate (CaCO3).  If the density of the solution…

A: Given that : % by mass of calcium carbonate (CaCO3) =  5.84 % The density of the solution = 1.02…

Q: One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl…

A: Given: The mass % of NaCl in thephysiological saline, =  0.89% (m/m). The density of physiological…

Q: block of lead has dimensions of 4.50 cm by 5.20 cm by 6.00 cm . The block weighs 1591g. From this…

A: Given that: Mass of lead block = 1591 g  Dimension of lead block = 4.50cm×5.20cm×6.00cm So, volume…

Q: To aid in the prevention of tooth decay, it is recommended that drinking water contain 0.900 ppm…

A: Formula used  ppm = (Mass of solute/mass of solution) 106 ppm = parts per million  density of water…