Find the number of ibuprofen molecules in a tablet containing 155.0 mg of ibuprofen (C13 H18 O2). Express your answer using four significant figures.

Q: Calcium chloride is 36.11% calcium. How many grams of calcium are present in 2.55 x 103 g of calcium…

A: The mass percent of the calcium in calcium chloride is = 36.11 % The mass of calcium chloride is =…

Q: Most chemistry laboratories have balances that can weigh to the nearest milligram. Would it be…

A: Given,  Molecules of C18 H38 = 5.88E+18 molecules The mass of C18 H38 is:

Q: What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?

A: Given,  Mass of nickel = 4.8…

Q: Aspartame is an artificial sweetener that is 160 times sweeter than a(table sugar) when dissolved in…

A: Aspartame is 160 times sweeter than sugar and it is used as artificial sweetening agents. Molecular…

Q: a. What is the mass of 1.49 x 1024 atoms of chlorine? grams b. What is the mass of 9.12 x 1023…

A: a) mass of 1.49×1024 atoms of chlorine.

Q: If the density of ethanol is 0.789 g/mL, how many cm3 can be produced by the fermentation of 45.4 kg…

A: Ethyl alcohol is formed by enzyme action on sugars and starches by fermentation. C6H12O6 → 2 CO2 + 2…

Q: Mass of 1L Substance 810 g 1100 g 1250 g 1040 g Alcohol Ethylene glycol (antifreeze) Glycerin…

A:

Q: The main chemicals present in a cup of coffee are water, caffeine, and tannins (acidic polyphenols…

A: A question based on analytical separations that is to be accomplished.

Q: What is the mass in grams of 6.90 x 10^14 lead (Pb) atoms? Enter your answer in scientific notation.

A: Given: molecules of lead (Pb) = 6.90×1014 molecules molar mass of Pb = 207.2 g/mol

Q: Give the names of the elements represented by thechemical symbols Li, F, P, Cu, As, Zn, Cl, Pt, Mg,…

A: To find: The name of the given elements represented by the chemical symbol

Q: What is the balanced chemical reaction for the combustion of TNT in air. Please use lowest possible…

A: C7H5N3O6(s) + O2(g) ----> CO2(g) + H2O(g) + N2(g)  The balance chemical equation for this…

Q: How many grams of lithium nitrate will be needed to make 200.0 grams of lithium sulfate, assuming…

A: The balanced reaction taking place is given as, => Pb(SO4)2 + 4 LiNO3 ------> Pb(NO3)4 + 2…

Q: How many hydrogen atoms are in each of the following:   Part A: C2H5OH Express your answer as an…

A: Atom is the smallest unit of a substance. Atoms combine to form a molecule which is a stable entity.…

Q: What is the mass in grams 1.46 x 10^24 of atoms of krypton? a. _____grams b.  How many krypton…

A:

Q: In a laboratory experiment, an undergraduate student collected a sample of ammonium phosphate. If…

A:

Q: How many atoms are contained in 4.1 g of carbon? How can you round this answer to 2 significant…

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of carbon atoms weigh 12 g.

Q: What is the mass, in kilograms, of 7.76 x 10-4 molecules of carbon tetrachloride? Round your answer…

A: The given data contains, number of molecules of carbon tetrachloride = 7.76×1024

Q: How many grams of CCl4 will contain 36.00 g of carbon? express your answer in decimal notation.

A: Mole of carbon tetrachloride is equal to mole of carbon

Q: Part A The American Dental Association recommends that an adult female should consume 3.0 mg of…

A:

Q: A student is running an experiment in which 48.1 grams of MgBr2 is needed, but the only jar of…

A: Given Mass of MgBr2 needed = 48.1 g

Q: A student obtained the data below after performing a similar experiment described in this…

A: Mass of hydrated salt = mass of crucible, cover and hydrate - mass of crucible and cover. So, Mass…

Q: What is the mass of NaBr in the mixture? Express your answer using two significant figures. A…

A: Total mass .of Cl and Br is equal to 2.08-0.76=1.32g.

Q: Calculate the mass in grams of 3.96 x 104 molecules of dichlorine hexaoxide. Enter your answer in…

A: DIchlorine hexaoxide →Cl2O6Number of moles of any molecule = Given number of molrculesAvogadro's…

Q: Volume of DNA crystals is 0.144 nm^3 what is the volume in milliliters

A: Given: Volume in nm = 0.144 nm3

Q: The common pain relievers – aspirin (C9H8O4), acetaminophen (C8H9NO2), and naproxen sodium…

A: Interpretation: The number of molecules of C8H9NO2 present in 333 mg acetaminophen are to be…

Q: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? How many moles are there in…

A:

Q: What is the mass, in g, of 2.67 × 10 nickel (Ni) atoms? Enter your answer in scientific notation. 12…

A: The given data contains, Atoms of nickel = 2.67×1012 Molar mass of Nickel = 58.69 g/mol.

Q: Calculate the mass in grams of carbon in a 1 carat diamond that contains 1.32x1022 atoms of carbon.

A: Given the number of C atoms present in the 1 carat diamond = 1.32*1022 atoms We have to convert the…

Q: When Kay added 30 g of hydrochloric acid (HCI) to 65 g of Zn, bubbles appeared and a white…

A: We know, when Zn reacts with HCl, it will produce ZnCl2 and H2 following the reaction  Zn + 2HCl…

Q: How many moles Fe(OH)3 are there in 229 g of Fe(OH)3? Round your answer to 2 decimals.

A: Given mass of ferric hydroxide (Fe(OH)3 ) is  229 grams.

Q: Calculate the number of carbon atoms in 1.75 g of table sugar, C12H22O11 Express your answer using…

A: mole = (given mass ÷ molecular mass) Molecular mass of sugar C12H22O11 = 342g

Q: It is estimated that an adult person contains 6.3 × 103 ppm phosphorus. What mass of phosphorus in…

A: By definition, ppm refers to parts per million.  Therefore, ppm of phosphorus in adult person would…

Q: Calculate the number of grams of F in 8.85 grams of copper(II) fluoride.

A: We know that, molar mass of copper(II) fluoride (CuF2) = 101.54 g/mol                     so, 1 mol…

Q: Given your experience in mass determinations and with volumetric glassware, which factor used in…

A:

Q: mmonium nitrate: NHẠNO3(s) N20(g) + 2H209) How many g of dinitrogen monoxide can be made from 1.62 x…

A: In this question, we want to determine the mass of N2O gas in gram unit.  You can see details…

Q: Given your experience in mass determinations and volumetric glassware, which factor used in…

A: The density can be determined by using the following formula,

Q: O CHEMICAL REACTIONS Interconverting number of atoms and mass of compound Calculate the number of…

A: Mass of forsterite (Mg2SiO4) = 80.0 g  Number of magnesium atoms = ?

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? 6.

A:

Q: How do i Complete the following calculation? Determine the number of grams of Carbon in 3.14 x 1032…

A: To get the number of gram calculate mole then with the help of mole calculate mass.

Q: Following the above question, for 1.50 L of mercury, what is the mass in kg? O 2.03 x 10° kg O 2.03…

A: Given details, The volume of mercury = 1.50 L = 1500 cm3 The density of mercury = 13.534 g/cm3…

Q: Saponification is a process in which soap is produced from the chemical reaction between  animal fat…

A:

Q: How many atoms are there in each of the following substances? I.) 5.14 g P Express your answer…

A: molar mass of P   = 31 g/mol molar mass of Hg = 200.59 g/mol molar mass of Bi   = 200.98 g/mol molar…

Q: Calculate the mass, in grams, of each of the following. 2.0x10^23 lead atoms Express your answer…

A:

Q: The sugar content of a wine is determined five times, and the following results obtained: 150, 155,…

A: An outlier can be determined using Q-test.

Q: How many carbon atoms are there in a 1.0-carat diamond? Diamonds are a form of pure carbon. ( 1…

A: Given:1 carat=0.20gWe know,Atomic mass of C=12.0107g/molalso, 1 mol of C=6.022×1023 atoms of C

Q: Calculate the mass, in grams, of each of the following.   1.6×1023 gold atoms Express your answer…

A: Number of atoms of different elements are given and from that given data, we have to find the mass…

Q: For calcium, carbonmonoxide and carbondioxide; 1. Calcium, carbonmonoxide 12 and carbondioxide are…

A: 1) calcium, carbon monoxide and carbon dioxide are composed of the same kind of molecules.

Q: How many atoms are there in 11.1 g of sulfur? You will need to divide your answer by 1.0x10^23

A: The number of atoms in a compound is calculated as the product of number of moles and the Avogadro's…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.