places explain/ give example. The law of multiple proportions ATOMIC STRUCTURE AND SYMBOLS empirical formulas peridic table

Q: In 1808, John Dalton proposed a series of statements regarding the atom that became known as…

A: Given, Five statements of Dalton's atomic theory is given -     Required,                   Among…

Q: Counting Atoms Fill in the table Pb C CI Mass (g) 0.543 1.834 Molar Mass g/mol) 0.685 Moles Total…

A: We can solve these questions by knowing some of the basic mole concepts, like conversion of number…

Q: is formed when elements combine. The COIna chemical reaction a new Different elements combine to…

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Q: Using the periodic table for this course (Chem 100 Periodic Table.pdf ), which substance contains…

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Q: Complete the table. Element Mass Moles Number of Atoms Na 38.5 mg C 1.12 V 214 Hg 1.44 kg

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: S Ina 3.7-gram sample, there are (A) 1.1 x 10 atoms of gold (B) 3.2 x 1025 atoms of gold (C) 4.4 x…

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Q: Figure 3. Diatomic molecules of the element chlorine, Cl2. This Figure 4. Molecules of the compound…

A: ⇒All atoms are made up of tiny particles ie,protons,neutrons and electrons⇒A n element is a pure…

Q: Calculate the mass, in kg, of sample. 8.15x10^27 nickel atoms

A: The mass of sample. 8.15x10^27 nickel atoms is to be calculated

Q: Determine the number of N atoms in a sample of C7H5(NO2)3 that has the same number of O atoms as…

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Q: What is the amount, in moles, of each elemental sample? 11.8 g Ar

A: Given : mass of Ar = 11.8 g

Q: Use triangles to represent atoms of element A and circles to represent atoms of element B. Draw an…

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Q: An unknown element is a mixture of 129X and 132X. the average mass of X is 130.79 amu. What is the…

A: Let x be the percentage abundance of 129X and (1-x)  be for 132X Average mass = 130.79 amu  Atomic…

Q: A common Aluminium foil for household use is nearly pure aluminium. A box of this product at a local…

A: Given width of aluminium foil is 306 nm. Length of the aluminium foil is 23.3 mm Thickness of the…

Q: When a piece of cadmium (Cd) is placed a solution of nickel chloride (NICI2), the following reaction…

A: Hey, since there are multiple subparts posted, we will answer first eight subparts. If you want any…

Q: The total number of atoms in NaCI

A: The number of atom of an element in its molecules is known as atomicity. SodiumChloride or NaCl is…

Q: Which sample contains the greatest number of atoms? (a) 15 g Ne (b) 15 g Ar (c) 15 g Kr (d) None of…

A: The mole concept is used to solve such problems. The mole concept was introduced by Avogadro to…

Q: A scientist has two samples of gas: The first sample contains one mole of argon atoms and has a mass…

A: 1 mole of any gas has equal no. Of atoms i.e., avogadro no. of atoms 6.023*1023 atoms. Or Equal…

Q: Enter your answer in the provided box. Assume the atomic mass of element X is 22.99 amu. A 13.75-g…

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Q: 26. Diamond is one form of elemental carbon. An engagement ring contains a diamond weighing 1.25…

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Q: Calculate the number of atoms in sample. 12.899 g Pt

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: 1. Naturally occurring chlorine that is put in pools is 75.53 percent"CI (mass = 34.969 amu) and…

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

Q: The total number of atoms in Ca(OH)2

A: Ca(OH)2 is a base and its name is Calcium hydroxide. Atom is the smallest entity of any element and…

Q: 88) Calculate the number of atoms in each sample a) 14.955 g Cr b) 12.899 g Pt c) 39.733 g S d)…

A: Atomic mass of Cr = 55.996g/mol Atomic mass of Pt = 195.084g/mol Atomic  mass of S = 32.065 g/mol…

Q: (a) CaCO,(s)²Ca²*(aq) + CO,²-(aq) (b) Mg,(PO,);(9) =3 Mg²"(aq) + 2 PO,' (aq) (c) CO(g) +…

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Q: 1. Cobalt forms two sulfides: CoS and Co2S3. Predict the ratio of the two masses of sulfur that…

A: The sulphide of cobalt given are CoS and Co2S3. The oxides of lead are given are PbO and PbO2 The…

Q: Match terms with their definitions v Avogardo's number v Molar mass v mole v Atomic mass A. mass of…

A: The mole concept was proposed by Avogadro to specify the atoms, molecules, and ions concentration.…

Q: The formula for some common antacids Ca(OH)2 %3 Use this link as a reference: Counting Atoms Notes 2…

A: An atom is the basic unit of matter which forms chemical element Atom contains three fundamental…

Q: Which sample contains the greatest number of atoms?a) 14 g C                  b) 49 g Cr…

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Q: How many atoms are in each elemental sample? 16.1 g Sr 26.4 g Fe 9.81 g Bi

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Q: Determine the number of atoms in each sample: a. 45 g Si b. 45 g Sn c. 28.2 mg Pb

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: An element's percentage of the total mass in a compound containing the element. A law stating that…

A: The composition of a chemical compound is determined using elemental analysis of inorganic elements.…

Q: 103: A pure copper cube has an edge length of 1.42 cm. How many copper atoms does it contain?…

A: 103) Volume of cube = (Edge length)3                          = (1.42 cm)3 = 2.863 cm3 Density of…

Q: number of atoms in a 3.37×1033.37×103 g sample of carbon

A: 3.37×1033.37×103 g sample of carbon = 358693.061 g sample of carbon = 3.58 x 105 g sample of carbon

Q: Complete the table: Element Mass Moles Number of Atoms Na 37.0 mg _____ _____ C _____…

A: 1. Calculation for moles of Na: moles =massmolar massmoles of Na=37.0×10-3 g23.0 g/molmoles of…

Q: 1 Empirical Formula 2 Mass Percent 3 Percent Composition 4 Anhydrous Compound A compound with a…

A: The empirical formula of a compound does not give the definite proportions of the element in a…

Q: number of atoms in 5.12 g P

A: number of atoms in 5.12 g for  Phosphorus

Q: macroscopic structure level is! A. Structural elements that may be viewed with naked eye B.…

A: Given : We have to tell about macroscopic structure level.

Q: Calculate the mass, in grams, of sample. 1.8x10^23 lead atoms

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Q: Determine the number of each type of atom in formula. BaCl2

A: Given: BaCl2

Q: 2 N205 (s) 54 NO, (g) + 02 (g) AG;° (kJ/mol) N2O5 (s) 117.7 NO2 (g) 51.8

A: From the standard Gibbs free energy data □G° = [Total Gibbs free energy of products] - [Total Gibbs…

Q: For your research project, you need to use isotopic labels. For this you buy chlorine gas (Cl2) that…

A: The basic constituent of a substance is known as an atom that has a nucleus consisting of protons…

Q: How many moles are in 130 gram of N?

A: Given :-  Mass of N = 130 g  Atomic weight of N = 14.01 g.mol-1  To calculate :-  Number of moles of…

Q: In the following How many Fe atoms How many O atoms How many S atoms Fez(SO4)a

A: The number of atoms present in Fe2(SO4)3 has to be given.

Q: Calculate the mass of dinitrogen tetroxide N2O4 that contains a million ×1.000106 oxygen atoms.

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Q: Calculate the mass, in kg, of sample. 1.22x10^27 manganese atoms

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Q: Calculate the mass %'s for hydrogen and oxygen in the two samples given below. Is the law of…

A: To solve first we calculate the % composition of Hydrogen and Oxygen to given sample A and B

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

A: For the given compound, XBr3 Mass of sample = 4.712 g Suppose the mass of 1 mole of X be 'm' grams…

Q: Calculate the mass of 1.00×10241.00×1024 (a septillion) molecules of wate

A: We know that there are two hydrogen atoms and one oxygen atom for every H20 molecule. So, the molar…

Q: The total number of atoms is Pb(NO3)2

A: given, Pb(NO3)2   there are three different atoms in this compound Pb, Nitrogen & Oxygen