An unknown compound has the following chemical formula: PICI where x stands for a whole number. Measurements also show that a certain sample of the unknown compound contains 9.1 mol of chlorine and 4.62 mol of platinum. Write the complete chemical formula for the unknown compound.

Q: An unknown compound has the following chemical formula: PtClx where x stands for a whole…

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Q: (1) Either 2 + 2 is 0 or gold has atomic number 79; (2) 2 + 2 is not 0; thus, (3) gold has atomic…

A: The Good argument3)Gold has atomic number 79which is good argument1) & (2) are not good…

Q: An unknown compound has the following chemical formula: PtCl, where x stands for a whole number.…

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Q: The chemical formula for strontium sulfide is SrS. A chemist measured the amount of strontium…

A: Mass of SrS = 6.7  g  Number of moles of SrS = ?

Q: • 20 grams of nitrogen reacted with 2.5 moles of hydrogen to form ammonia (NH3) gas. What is the…

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Q: An unknown compound has the following chemical formula: N_xO where x stands for a whole number.…

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Q: An unknown compound has the following chemical formula: Fe(NO,), where x stands for a whole number.…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: An unknown compound has the following chemical formula: Co(OH), where x stands for a whole number.…

A: Co(OH)2 No. of moles of Oxygen = 9.1 moles = No. of moles of Hydrogen No. of moles of Co = 4.5 mol…

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 96.896.8 grams. Tia…

A: Formula used: Moles = Mass/ Molar Mass Number of atoms = Moles x Avagadro Number

Q: An unknown compound has the following chemical formula: P2Ox where x stands for a whole number.…

A: Given :-  chemical formula ; P2Ox  no. of moles of O = 8.4 mol  no.of moles of P = 3.34 mol  To…

Q: In the combustion reaction between propane and oxygen gas, if 44.0 g of propane is burned in 160.0g…

A: According to the rule of conservation of mass, the total mass of the reactant equals the entire mass…

Q: A sample of a compound has a mass of 42.66 g with 1.06 x 10-1 mol. What is the molecular mass of the…

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Q: An unknown compound has the following chemical formula: Fe(NO3) where x stands for a whole number.…

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Q: A chemist measures the amount of bromine liquid produced during an experiment. She finds that 658. g…

A: Given: Mass of bromine liquid produced - 658 g   To find: number of moles of bromine produced = ?…

Q: A chemist measures the amount of bromine liquid produced during an experiment. He finds that 92.4 g…

A: The amount of bromine liquid produced in the experiment = 92.4 g The molar mass of  Br2 = 159.808…

Q: Two different compounds both contain Element X and Element Y.  Compound I has 1.000 g Element X and…

A: Two different compounds both contain Element X and Element Y. Compound I has 1.000 g Element X and…

Q: The chemical formula for lithium hydride is LiH. A chemist measured the amount of lithium hydride…

A: Detail mathematical calculation is shown below

Q: An unknown compound has the following chemical formula: NxO where  x  stands for a whole number.…

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Q: compound has the following chemical formula: ds for a whole number. s also show that a certain…

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Q: How many C atoms are present in the sample of C3H8 with mass 7.11 g? Avogadro's number is 6.022 x…

A: Given : Mass of C3H8 = 7.11 g

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 10.810.8 grams. Tia…

A: Number of atoms = number of moles x 6.0224 x 1023 Number of moles = Mass/molar mass

Q: A chemist measures the amount of iodine solid produced during an experiment. He finds that 744. g of…

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Q: Calculate the mass of carbon (in grams) in 366 g of acetic acid.

A: Given :-  Mass of acetic acid = 366 g  To calculate :-  Mass of carbon (in grams)

Q: Calculate the number of vanadium atoms in a 80.0 g sample of vanadium(V) oxide (V,O5). Be sure your…

A: here we are required to find the number of vanadium atoms in 80g sample of Vanadium oxide using…

Q: In an experiment, a student took a 12.2 g sample of table sale and chemically separated the chlorine…

A: To find the percent composition of each element in table salt (NaCl), we need to determine the mass…

Q: How many moles of calcium do you have if you measure out 19.13 g of calcium? Enter your answer in…

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Q: An unknown compound has the following chemical formula: P,Cl, where x stands for a whole number.…

A: What is the value of x in PxCl3 =?

Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg, (Si₂O), (OH)₂ An…

A: Please find your solution below : A mole is defined as the amount of substance that contains…

Q: Consider a mixture of three different gases: 1.90 g of argon (molecular mass = 39.948 g/mol), 3.10 g…

A: Argon, neon and helium gases do not react with each other in a mixture as they are inert gases.…

Q: A 1.125-gram piece of magnesium was burned in the presence of oxygen, forming 1.866-grams of the…

A: Given : Mass of magnesium burned = 1.125 g And mass of magnesium oxide formed = 1.866 g

Q: The chemical formula for potassium iodide is KI. A chemist measured the amount of potassium iodide…

A: Given:  KI produced = 676 g  To calculate:  no. of moles KI produced = ?

Q: Stainless steel is composed of iron, manganese, chromium, and nickel. If a 2.00 g sample was…

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Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 84.784.7 grams. Tia…

A: First of all calculate the number of moles of gold by using formula- mole = mass/molar mass then…

Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 85.2 grams. Tia wants…

A: Find the number of moles of gold present in the given sample. 196.967 g of gold forms 1 mole of…

Q: A molecular compound has the formula C12H12O2.  How many grams of this compound would you need to…

A: We have given, Mole of compound= 0.0800 mol Mass of compound=?

Q: Pheromones are a special type of compound secreted by the females of many insect species to…

A: Molecular formula of pheromone: C19H38Omass of pheromone (C19H38O) = 1.4 × 10-12 gNumber of…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.