Convert 5.26×1021 platinum atoms to moles. Express your answer in moles to three significant figures.

Q: How many moles are in 208 g of CuCl2? 0.646 moles 2.80 x 104 moles CuCl2 2.10 moles 1.55 moles CuCl2

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Q: Calculate the number of moles of oxygen in 78.2 grams of lithium nitrate (LiNO3).

A: We can calculate the no. Of moles of oxygen as follows.

Q: Identify all correct statements pertaining to number of particles and moles. A. 6.023 x 1023 atoms…

A: Since there are multiple questions, we are authorized to answer only the first question, that is,…

Q: How many atoms are present in the following molar quantities of various elements? a) 1.50 moles Fe…

A: Generally, 1 mole = 6.023 x 1023atoms. a) 1.50 moles Fe = 1.50 x 6.023 x 1023atoms = 9.0345 x…

Q: This is the chemical formula for carvone (the chemical that gives spearmint its flavor): C10H14O An…

A: Carvone has folloing molecular formula C10H14O So, 10 moles Carbon contains per mol of oxygen.

Q: Calculate the number of atoms in 12.45 grams of iron. 1.342 x 1023atoms 1.342 x 1022toms 0.223 atoms…

A: Given information, Given mass of iron = 12.45 g Molar mass of iron = 55.845 g/mol Calculate : Number…

Q: Define 1. Molecular mass 2. Mole

A: Molecular mass:  Molecular mass is a number which indicates how many times one molecule of a…

Q: Leucine is an amino acid with the formula C,H,NO,. Determine the number of moles of carbon in 60.08…

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Q: Calculate the number of moles for each of the questions below. Use the space on the right to show…

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Q: How many moles of Hydrogen do you have you have 5.68 x 10 ^ 24 Hydrogen atoms? a)  .9432 x 10 ^-1…

A: 1 mole hydrogen atoms contains 6.023 x 1023 atoms of hydrogen.

Q: 1.    How many grams are in 7.3 x 1024 formula units of Mn?  Mn= 54.94   Molar Mass:       =…

A: Given that -  Number of formula units in Mn = 7.3×1024  And, molar mass of Mn = 54.94 g/mol…

Q: What is the number of moles in 432 g Ba(N03)2? A) 3.25 B) 0.605 C) 0.237 D) 1.65 E) 113,000

A: Answer 2: Introduction: mole: As per the international system of unit (SI) , mole is the unit of…

Q: How many atoms are in 1.50 moles of helium (He)?   a 2.50 x 1022 atoms He  b 9.03 x 1023 He atoms…

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Q: Label the diagram to correctly convert 141.8g of Cl2 to moles of Cl2 1. X. : 71.9 g C2 : 141.8g Cl2…

A: A schematic diagram based on the conversion of mass of Cl2 into number of moles of Cl2 for which the…

Q: Convert 2.5 moles of silver to atoms. O 4.02x1025 atoms O 1.51x1024 atoms O 7.51x1023 atoms O…

A: Answer: option b) 1.51 × 1024 atoms

Q: Calculate the following: The number of molecules in 2 moles of AgCl The number of molecules in 2…

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Q: Convert 6.00 moles of calcium to atoms. O 8.50x1024 atoms O 1.56x1023 atoms O 3.61x1024 atoms…

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Q: How many moles (of molecules or formula units) are in each sample? 19.3 g NO2 Express your answer…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: How many moles are in 9.26 x 1023 molecules of NH3 ? Do not put units in your answer. Do use proper…

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Q: 37 x 1019 molecules CH3NH2 contains how many moles of carbon?  CH3NH2 (g) +   O2 (g) →   CO2 (g) +…

A: Since given molecular formula of compound is CH3NH2 which shows that it has one caron atom or one…

Q: 2NH3 + 3CUO → 3Cu + 3H2O + N2 How many mole ratios will you have in the equation? List 4 mole…

A: A mole ratio is ​the ratio between the amounts in moles of any two compounds involved in a chemical…

Q: Which sample contains the largest number of chlorine atoms? 10.00g of copper (II) chloride 10.00g…

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Q: How many moles are equal to 2.40 x 1023 formula units of sodium chloride? Round to two decimal…

A: Since, Avogadro number (6.022 × 1023) of formula units are equal to 1 mole of any substance…

Q: convert 352 g Na2S2O3 to moles of O.and to total numbers of atoms

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Q: Convert 9.83 x 1022 grams of X4Z4 into molecules/formula units of the same compound. (Assume that…

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Q: 1) What will you use to find a mole-to-mole ratio and how will you use a mole-to-mole ratio? 2)…

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Q: Molar Masses A = 17.813- mole D = 41.486- mole E = 33.011- mole Y = 19.280 X = 255.691 mole Z =…

A: Given that -  Molar masses of elements are -  A = 17.813 g/mole D = 41.486 g/mole E = 33.011 g/mole…

Q: How many moles are in 20.0 grams of F2?760. 760. moles 1.05 moles 0.526 moles 19.0 moles 38.0 moles

A: Given data contains, Grams of F2 is 20.0 grams. Molar mass of F2 is 37.99 g/mol.

Q: How many moles of MgCl2 are present in 78.3g of MgCl₂? O 0.822 moles O 7450 moles O 1.31 moles O4680…

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Q: Determine the number of moles in 4.21 × 10²³ molecules of CaCl₂

A: The mole is an amount unit that provides   measure of the number of atoms or molecules in a bulk…

Q: (c) An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by…

A: We have to find empirical formula for given compound

Q: Convert 2.5 moles of silver to atoms. O 1.51x1024 atoms 4.02x1025 atoms O 7.38x1024 atoms 7.51x1023…

A: Given, Moles of silver = 2.5 moles  Conversion of 2.5 moles of silver to atoms = ? Note: 1 mole of…

Q: 1.) Determine the molar mass of Mn(ClO4)2. g/mol

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

Q: How many bananas are in0.10 moles of bananas? O 3.0 x 1023 O 3.0 x 10 21 O 6.0 x 1022 O 6.0 x 1024

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Q: (c) An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by…

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Q: 1 mole of carbon atoms correspond to ---- number of carbon atoms

A: M

Q: Calculate mass in grams 3 sig figs of 0.0579 moles of aluminum sulfate

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Q: You have 2.97 x 1025 molecules of water. Find the volume of this in milliliters. Water has a molar…

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Q: Siven the unbalanced chemical equation, C5H12(1) + O2(g) → CO(g) + H20(1), which one of the pllowing…

A: The reaction given is, => C5H12 (l) + O2 (g) -------> CO (g) + H2O (l)

Q: number of N atoms in 10.0 moles of NH 3 (subscript)

A: Given mole=10 Total  atoms = atomicity×mole×6×1023 Atomicity is total atoms in 1molecule of compound…

Q: 24. How many moles are there in 2.0 x 10^(22) molecules 02? O 0.063 moles O 0.053 moles O 0.043…

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Q: many moles are in 3.46 x 10^22 molecules of phosphoric acid?

A: Given :  Molecules of phosphoric acid = 3.46 x 1022

Q: How many particles of bromine are in the quantities below? 1. 2.0 moles 2. 0.75 moles 3. 15 moles…

A: The given data: 6) The number of moles of bromine = 2 mole To determine = The particles of bromine…

Q: KHP grams Molar Mass of KHP (A2) 204.22 g/mol moles KHP 1.009 (A11) %3D 204.22 g/mol

A: Mass = 1.009 g Molar mass of KHP = 204.22 g/mol Moles = mass/MM    = 1.009/204.22 = 0.00494 mol

Q: number of moles

A: Number of moles of atom in any given compound is decided the the total number of moles given and…

Q: 2. Convert 0.075 g of Pb to moles of Pb

A: Number of moles in the given amount(in grams) of sample is obtained by dividing the value by its…

Q: Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2

A: Given :-  Number of formula units of MgCl2 = 3.01×1024 formula units  To be calculated:-  Number of…

Q: What is the molar mass of Mg3(PO4)2 ? O 150.3 g/mole O 71.28 g/mole O 214.3 g/mole MacBook A

A: The answer is given as follows

Q: How many moles are there in 7.56 x 10^23 molecules of propane

A: Since 1mole of any compound  contains = 6.023 *1023 molecules  i.e. is equal to Avagadro no.

Q: How many moles are in 4.33 x 1025 formula units of NaC?

A: According to Avogadro's Law 1 mole of any ionic compound contains Avogadro's number 6.022×1023 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".