2. The volume of the nucleus of a carbon atom is about 9.9 x 10-39 mL. The molar mass of carbon is 12.00 g mol-1, What is the density of the carbon nucleus?

Q: The density of carbon tetrachloride is 1.59 g/mL. How many chlorine atoms are present in 55 mL of…

A:

Q: What is the total number of oxygen atoms on the right-hand side of this chemical equation?…

A: Interpretation: The total number of oxygen atoms on the right-hand of the given chemical equation…

Q: What is the mass (in g) of 2.91 x 1028 atoms of Fe?

A: Given: Number of Fe atoms = 2.91 × 1028 atoms.

Q: It is estimated that we breathe around 5.0 x 1021 molecules of 0, in a single breath. What mass of…

A: Given: Molecules of O2 in a single breath = 5.0 × 1021. Molar mass of O2 = 32 g/mol

Q: Chemical analyses conducted by the first Mars Rover robotic vehicle in its 1997 mission collected…

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Q: Which of the following models of a chemical reaction BEST represents the law of conservation of…

A: The law of conservation of mass states that the total mass is conserved during the chemical…

Q: A student, Ken, is given a mixture containing two nitrate compounds. The mixture includes NaNO3 and…

A: Mixture consists of two nitrate compounds NaNO3 and Ca(NO3)2. Mass Percentage of NO3 in the mixture…

Q: 2.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: Aspirin can be prepared from salicylic acid (C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

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Q: Based on the law of conservation of mass, how many grams of hydrogen gas, x, are formed by the…

A: Given, 66.0 g zinc + 72.9 g hydrochloric acid produces 136.3 g zinc chloride+ x g hydrogen gas. We…

Q: 13 4 10 5.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and…

A: Here an organic compound of mass 5.5 gram containing carbon and hydrogen , perhaps containing…

Q: What is the mass of 1.67 x 10^15 atoms on MN, 6.45 x 10^23 atoms of N, and 3.40 x 10^25 atoms of C…

A: Given :-  number of Mn atoms = 1.67 × 1015 atoms  number of N atoms = 6.45 × 1023 atoms  Number of C…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3), which has a molar mass of 138.12 g/mol, and…

A:

Q: If the same amount of electricity that is used to produce 500 g copper metal (Cu Cu") is used to…

A: Given: Mass of Cu produced = 500 g. The moles of Cu produced = MassAtomic mass = 50063.55 = 7.868…

Q: The molar mass of M(OH)2 formed by the hypothetical metal M, is 144.096 g/mol what is the molar mass…

A: Molar mass of a compound is equal to the sum of the molar masses of all the elements. The molar mass…

Q: molar weight

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the mass, in g, of 1.00 mol of nitrogen atoms?

A: Molar mass of the Nitrogen gas (N2) = 28 g/mol 1 mole = 6.022×1023 moles

Q: A 12.3 g sample of a compound known to consist of only carbon and hydrogen was found to be 14.40 %…

A: Mass of sample = 12.3 g Hydrogen percent by mass = 14.40 % Mass % = Mass of solutemass of…

Q: A: What is the correct chemical formula when Co4+ combines with S2- ?  B:  How many ATOMS of OXYGEN…

A: A: What is the correct chemical formula when Co4+ combines with S2-?

Q: Table salt, NaCl(s), and sugar, C1,H„O(s), are accidentally mixed. A 5.50 g sample is burned, and…

A: Balanced chemical equation for combustion of sucrose: C12H22O11 + 12O2 ------> 12CO2 + 11 H2O…

Q: 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: 250(g) + 02 (g) + HCI (g) NH3(g) MgCO3 250 (g) NH,CI (s) + CO2(g) Mgo (s) +

A: Entropy denotes by a symbol 's' . Entropy of a universe increasses spontaneously.   Second law of…

Q: If 34.0 g of MgSO4⋅7H2O is thoroughly heated, what mass of anhydrous magnesium sulfate will remain?

A: Given:Mass of  MgSO4⋅7H2O = 34.0 gWe need to find mass of anhydrous magnesium sulphate  produced…

Q: millan Lea Table salt, NaCI(s), and sugar, C,H„0,(s), are accidentally mixed. A 5.00 g sample is…

A: Sample taken = 5.00 g  CO2 produced = 1.60 g

Q: If 1.23 x 1024 molecules of a substance have a mass of 68.2 g, what is the molar mass of the…

A: Given Data: The mass of the substance is 68.2 g.

Q: What is the mass percentage of Al in a piece of metal with 90.6 g of Al in a 162 g sample?

A:

Q: 2) For the following reaction N2 (g) + 3H (g) →2NH3 (g) The mass of NH, resulting from the reaction…

A: Given equation is : N2 (g) + 3H2 (g) ------> 2NH3 (g)  Given moles of H2 = 0.25 mole  Mass of NH3…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

A:

Q: What is the mass (in g) of 9.87 x 1022 atoms of magnesium? The molar mass of Mg is 24.305 g/mol.

A: Since moles = number of atoms / Avogadro's number where Avogadro's number = 6.022 X 1023  =>…

Q: 1.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: A student prepares aspirin using 17.530 grams of salicylic acid (MW = 138 g/mol) and 5.00 mL of…

A: The balanced reaction is as follows:        C7H6O3    +    C4H6O3     →     C9H8O4      +…

Q: What is the mass (in g) of 9.87 x 1022 atoms of magnesium? The molar mass of Mg is 24.305 g/mol.…

A: Given, 9.87*1022 Mg atoms

Q: An experiment in the lab requires 0.03 g of sodium chloride, which is a substance that is safe for…

A: I can dispose the exess NaCl by throwing it in to the basin .

Q: A sample of phosphorus weighs 3.8 x 103 ng.  How many phosphorus atoms are present in this sampme?…

A:

Q: 1.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: 2KClO3=2KCl+3O 2 25.0 g of KClO 3 decompose, what mass of wil O 2 form?

A: 2KClO3 ----> 2KCl + 3O2 Given,  25 g of 2KClO3 is decomposed to give O2.

Q: 2 Al(s) +3 Br2 (4)- - Alz Bre (s) What mass of Br2, in grams, is required for complete reaction with…

A: 2Al (s)     +          3Br2 (l)…

Q: a What is the maximum mass of ammonia that can be produced from a mixture of 1.00 x 10 g N2 and 5.60…

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Q: 4. a) How many particles ( b) What is the mass in grams of that salt? )are there in 1.25 moles of…

A: No. of particle = mol * NA     where NA is Avogadro number.

Q: 6 What is the mass of 2.0 billion billion atoms of gold? (1 billion is 1 x 10^9, so a billion…

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Q: A student, Ken, is given a mixture containing two carbonate compounds. The mixture includes MgCO,…

A: Given: Percent by mass of CO32- ions in sample = 69.14 %

Q: If you place 7.05 g of aluminum in a beaker with 185 mL of 1.35 M KOH, what mass of KAl(OH)4 is…

A: If 7.05 g of aluminum in a beaker is treated with 185 mL of 1.35 M KOH, the mass of KAl(OH)4 that is…

Q: A single tablet of regular strength Tylenol contains 325 mg of the active ingredient, acetaminophen…

A: The molecular formula of acetaminophen has been provided as C8H9NO2.

Q: The molar mass of ibuprofen is 206.3 g mol-1 and a standard tablet contains 0.2 g ibuprofen.  What…

A: Given that : The molar mass of ibuprofen = 206.3 g/mol The mass of ibuprofen in a tablet = 0.2 g

Q: If the same amount of electricity that is used to produce 500 g copper metal (Cu Cu") is used to…

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Q: (4) Ag20, NH,OH `H

A:

Q: One molecule of a compound weighs 2.93 x 10-22 g. The molar mass of this compound is:

A: 1 mole = 6.0224 × 1023 molecules Molar mass = 6.0224 × 1023 × Molecular mass

Q: The molar mass of M(OH)4 by the hypothetical metal M, is 190.052 g/mol what is the molar mass of the…

A: Molar mass of a compound is equal to the sum of the molar masses of all the elements. The molar mass…

Q: What is? CUSO•5H,0 Cuso '2

A: CuSO4 is a copper(II) sulfate with the oxidation state of copper to be+2. It's an inorganic…