A standard aspirin tablet contains 325 mg of aspirin, which has the molecular formula C9H8O4. How many miles and molecules of aspirin are in 1 tablet?

Q: 1) Perform the following unit conversions: a. 35.7 moles to umol b. 0.065 mL to µL. c. 0.756 g/ml to…

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Q: a researcher is preparing for an experiment that requires 225g phosphoric acid. the only container…

A: We know , Density = mass / volume By using this relation we can calculate the volume of phosphoric…

Q: You wish to prepare 203 grams of 13.1 % FeCl, You will need grams of iron(II) chloride and mL of…

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Q: Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of Nebraska…

A: It is required to calculate, to what height above the surface, in km, will the mini marshmallow…

Q: The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure…

A: According to the Archimedes principle, the volume of any solid submerged in water water is equal to…

Q: A bank teller is asked to assemble $1 sets of coins forhis clients. Each set is made up of three…

A: Given that : Set of coins =6 coins that are three quarters, one nickel, and two dimes. Mass of one…

Q: Consider a 25.09 g cube of cadmium metal, an element which forms some of the most toxic salts known,…

A: The length of one side of cube = 1.45 cm

Q: A physician orders 3 grains Phenobarbital at bedtime for control of seizures for Mr. I. The…

A: Given that,  A physician orders 3 grains of phenobarbital.  Mass of phenobarbital in a tablet = 60…

Q: Which term best describes carbon dioxide, CO2? a. an atom b. an element C. a homogeneous mixture d.…

A: A chemical compound is a chemical substance composed of many identical molecules composed of atoms…

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A: Mass percentage of chromium = 18 % Mass percentage of Nickel= 8% Mass percentage of iron = 100 - (18…

Q: The average dollar bill is 1.8x107 nm long and weighs 0.987 g.  The distance to the sun is 1.5x108…

A: Mole : Mole is the unit by which we measure the amount of substance. One mole is equal to the number…

Q: How many quarts of gasoline are there in 248 grams of gasoline if gasoline has a density of 0.749…

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Q: What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long?

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Q: You will need grams of sodium chloride and mL of water.

A: Given :- mass of solution = 184 g                % w/w = 3.17 %  To be calculated :- mass of NaCl (…

Q: how many nanomoles is a 83.9 pg sample of platinum?

A: Given :- mass of Pt = 83.9 pg  To calculate :- number of nanomoles of Pt  Number of moles =…

Q: What mass of solid lead would displace exactly 234.6 liters of water? Given that lead has a density…

A: Unit of volume and density is converted as follows:

Q: You wish to prepare 211 grams of 16.6 % Mg(CH3CO0)2. You will need grams of magnesium acetate and mL…

A: Mass of solution is = 211 g Percent concentration of Mg(CH3COO)2 is = 16.6 % Density of water is =…

Q: A chemist has a 19.50g sample of drinking alcohol (ethyl alcohol). what is the volume ogf the…

A: The relationship between mass and volume is given below.

Q: How many mL of paraffin wax would it take to make a candle of this size, with a volume of 11.0 in³ ?

A: Given: Volume = 11.0 in3.

Q: DNA crystals are 0.144nm^3. What is the volume in milliliters?

A: Given volume of DNA crystal is 0.144 nm3. We have to convert the volume to mililiters.

Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A: Density is the ratio of mass and volume.

Q: 8. A 141 mg sample was placed on a watch glass that has a mass of 9.203 g. What is the mass of the…

A: Given that, mass of sample=141 mg mass of watch glass= 9.203 g then,

Q: A chemist prepares a solution of calcium bromide (CaBr,) by measuring out 38.3 g of calcium bromide…

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Q: What is 393.83 kJ/mol rounded to three significant figures?

A: Based on the significant figures rule, the number to be rounded off is followed by digit zero or…

Q: Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of Wyoming…

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Q: High-density lipoprotein (HDL) cholesterol is the “good” cholesterol because adequate levels reduce…

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Q: How many mL of liquid mercury with a density of 13.6g/mL must you dispense to have 1.56 x 10-3 mol

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Q: 2.3E23 molecules of sugar (CH120,) would weigh how many grams?

A: The moles are the unit of the substance and it is explained as 6.022×1023 atoms/molecules/ions. It…

Q: You wish to prepare 202 grams of 11.8 % Ba(OH)2. You will need _____ grams of barium hydroxide and…

A: Given:  Weight of solution = 202 gm  % by mass = 11.8 %  Density of water = 1.00 g/ml

Q: The EPA limit for lead in bare soil for children’s play areas is 400 ppm by mass. A contractor is…

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Q: 210 mg glucose per 100 ml blood. Avg body contains 11 pints, how many grams glucose. 1 pt =…

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Q: The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to…

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Q: A student determined that his/her sample was 45.25% Cl-. If his/her original unknown sample weighed…

A: Mass(%) = (Mass of sample)*100/(Total Mass)

Q: What is the mass (in kg) of 6.89 × 10^25 molecules of carbon dioxide?

A: Mass is a physical quantity which indicates the amount of matter present in a substance. Its units…

Q: Vitamin B12, cyanocobalamin, is essential for human nutrition. Its molecular formula is…

A: The ratio of mass of the substance to the number of moles of the substances is known as molar mass.…

Q: What is the equivalent volume in milliliters taken up by 9 gr boric acid powder if the density of…

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Q: when you mix 20ml sugar and 50ml water in a 250ml beaker, what is the volume of the sugar and water…

A: Volume of mixture can be calculated from individuals volumes.

Q: KM, O4, KOH

A: KmnO4 (Potessium Permanganate ) is a strong oxidising agent ,so it can oxidises other molecule

Q: You wish to prepare 200 grams of 12.9 % NH,CH3COO. You will need grams of ammonium acetate and mL of…

A: In order to determine the concentration of any chemical species various terms can be used.…

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 7.3 µmol of iron(III)…

A: Molarity : Moles of solute present per liter of solution is called molarity of that solution.…

Q: A 50 g serving of Marshmallow Peeps has 40 g of sugar. What is the % m/m of sugar in Peeps?

A: To determine the weight per cent of a solution, divide the mass of solute by mass of the solution…

Q: what is the volume of a single drop of substance if 10 drops is equal to 1.549cm3?

A: Given that the volume of 10 drops of substance is 1.549 cm3. By relating this condition volume of…

Q: What is the mass (in g) of a diamond that occupies 6.09 mL if the density of diamond is 3.51 g/mL?

A: Density = MassVolumeMass = Density x volumeso using this formula, we can calculate mass of substance…

Q: The EPA limit for lead in bare soil for children’s play areas is 400 ppm by mass. A contractor is…

A: Parts per million or ppm is term used to express concentration. It is somewhat similar to weight…

Q: he distance between atoms is sometimes given in pico-meters, where 1 pm is equivalent to 1 × 10^–12…

A: Given : distance between layers in pm = 568 pm

Q: What is the mass of a golf ball traveling at 88.1 ms1? The rest mass of a golf ball is 45.9 g, as…

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Q: A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is…

A: Given Information - mass of empty flask =  78.23 g  mass of flask filled with water = 593.63 g  mass…

Q: The radius of a potassium atom is 231 pm. How many potassium atoms would have to be laid side by…

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Q: How many gallons of octane, C3H18, having a density of 0.703 g/cm3, would have to be burnec

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Q: Give two chief characteristics of (i) Elements, (ii) Compounds and (ii) Homogeneous Mixtures.

A: Element is pure in nature as it consists of only type of atoms. And, Compounds is comprised of…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".