Consider a 33.1g sample of the compound diphosphorus pentabromide  Determine what quantity in moles of bromine are in 33.1 grams of diphosphorus pentabromide

Q: A 0.338-g sample of antimony was completely reacted with 0.295 g of chlorine gas to form antimony…

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Q: A compound of found to contain 14.87% phosphorus and 85.13% chlorine by mass. What is the empirical…

A: To get the empirical formula we need to consider moles of each elements present. Then calculate the…

Q: Complete the table below for calculating the molar mass of the compound nitrogen monoxide. Formula =…

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Q: empirical formula

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Q: You are given 0.10 g samples of Na, Y, Ge, and Mn. List the samples in order of the amount (moles)…

A: Number of moles = given mass/molar mass

Q: Percent yields are generally calculated from masses. Would the result be the same if amounts (mol)…

A: Yes, same result will be obtained. Formula: Percent yield = actual mass of product…

Q: (a) How many moles are in 1.00 kg bottle of water? (b) How many molecules? The molar mass of water…

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Q: Calculate number of atoms in 30 g of lithium?

A: From given datas  As per Avogadro hypothesis we are calculating number of atoms of 30g of Li as…

Q: What advantage is there to using a counting unit (the mole) for amount of substance rather than a…

A: To explain the advantage of using mole unit instead of mass unit.

Q: How many grams are in 5.32 x 1022 molecules of CO. ?

A: The amount of 5.32x1022 molecules of CO2 is to be calculated.

Q: A sample that contains only carbon and hydrogen, and is sent for analysis. It is found to contain…

A: Given : Compound contains carbon and hydrogen. And mass percent of carbon = 94.70% Assuming 100 g of…

Q: a) Determine molecules of C5H5N in 16.00 g of C5H5N (molar mass = 79.11g/mol). b) Explain how the…

A: a) Given : Mass of C5H5N = 16.00 g And molar mass of C5H5N = 79.11 g/mol.

Q: determine the mass (g) of carbon in 16.55 g of glucose. Plan To find the mass of C in the sample of…

A: We know that, Molecular mass of glucose, C6H12O6 = 180.156 g/mol Number of Carbon atoms in glucose =…

Q: A compound is found to contain 31.42% sulfur, 31.35% oxygen, and 37.23% fluorine by mass. What is…

A: Divide the percent composition by the molar mass of the elements. Percent composition of sulfur =…

Q: How many moles are equal to 12.8 grams ofCaO2

A: Moles can be calculated as follows

Q: A compound that consists of nitrogen and oxygen is found to be 30.4 % nitrogen by mass. The molar…

A: Given : Nitrogen by mass = 30.4% Molar mass is in between 90g/mol and 100g/mol

Q: Which of the following contains the largest total number of atoms in a one mole sample each?

A: Atoms are the smallest unit of the matter, anything which occupies space and has mass is known as…

Q: The number of moles in 10.0 grams of CO2 is

A: Number of moles  = Given weight (g)/ Molar mass (g/mol)

Q: Calculate the moles of ammonia present in a 7.409 g sample if the molar mass of ammonia is 17.030…

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Q: Calculate the molar mass of potassium carbonate.

A: The compound given is potassium carbonate i.e K2CO3.

Q: Calculate the molar mass of each compound. C,H, g/mol g/mol

A: Two numerical problems based on determining molar mass, which are to be accomplished.

Q: Aluminum sulfate is analyzed, and the sample contains 0.0672 moles of sulfate ions. How many moles…

A: The formula of Aluminum sulfate is Al2(SO4)3.

Q: Suppose a student reacts 0.3119 g Mg according to the procedure in the lab manual. The mass of…

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Q: Gold has a molar mass of 197 g/mol. (a) How many moles of gold are in a 2.74 g sample of pure gold?…

A: Given,  Molar mass of Au = 197 g/mole  a). Number of moles of Au in 2.74 g sample = ? b). Number of…

Q: d. How many grams of phosphorus pentachloride are theoretically produced? If 0.450g of phosphorus…

A: From the given problem, the balanced equation is: P4 (s) + 10 Cl2 (g) → 4PCl5 (s) For chlorine gas…

Q: A sample of naphthalene was analyzed in the laboratory and it was determined that the sample…

A: Number of moles (mol) = Given mass (g)Molar mass (g/mol)Given that:Number of moles= 0.457 molesMolar…

Q: Calculate the moles of ammonia present in a 3.785 g sample if the molar mass of ammonia is 17.030…

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Q: Determine the molar mass of nickel(II) sulfate hexahydrate.

A: The formula of the compound nickel(II) sulfate hexahydrate is NiSO4.6H2O Since Atomic mass of Ni =…

Q: How many molecules (not moles) of NH3 are produced from 7.42×10−4 g of H2?

A: To obtain the number of molecules, first of all the reaction for the production of NH3 should be…

Q: Consider the balanced chemical reaction below. What is the maximum amount of grams of Fe that can be…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: How many grams of magnesium phosphate, , are present in 4.40 moles of this compound

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Q: Determine the empirical formula for a compound that is composed of 40.60% carbon, 6.7% Hydrogen and…

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Q: number

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Q: mass of 1.2 × 10^23 atoms of phosphorus (molar mass= 31 gm/mo

A: The one mole of a substance contains 6.022×1023 number of its atoms.here moles of…

Q: Enter your answer in the provided box. Calculate the molar mass of a compound if 0.281 mole of it…

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Q: In a lab experiment, 7.97 g of phosphorus reacts with bromine to form 69.65 g of phosphorus…

A: When mole fraction of element is multiply by 100 we obtained percentage by mass .

Q: Which one can you NOT use to compare amounts in a chemical reaction? mass moles molecules

A: To identify: The term which can not be used to compare the amounts in a chemical reaction.

Q: According to the following reaction, how many moles of calcium carbonate are necessary to form 0.434…

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Q: find the molar ratio and the empiricle formula from my data

A: First, the mass of the hydrate and anhydrous copper sulfate is calculated. Initially, the mass of…

Q: Determine the grams and 0.454 gramscarbon = 0.02838 molescarbon

A: Given : Mass of CO2 =0.944g

Q: Aluminum sulfate is analyzed, and the sample contains 0.0650 moles of sulfate ions. How many moles…

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Q: Calculate the number of moles of 21.2g of ammonium sulfide.

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Q: A sample of ethanol (C2H6O) contains 3.024g of Hydrogen. How many moles of carbon atoms are in the…

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Q: Magnesium phosphate is an ionic compound which is widely used in medication to support the…

A: The formula of ionic compounds is written by following electrical neutrality principle, which states…

Q: Calculate the moles of ammonia present in a 3.739 g sample if the molar mass of ammonia is 17.030…

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Q: Calculate the moles of ammonia present in a 1.928 g sample if the molar mass of ammonia is 17.030…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Calculate the moles of ammonia present in a 4.984 g sample if the molar mass of ammonia is 17.030…

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Q: Consider a sample of carbon tetrafluoride that contains 1.01 × 10²⁴ atoms of fluorine. Determine…

A: Given:

Q: Calculate the moles of ammonia present in a 9.406 g sample if the molar mass of ammonia is 17.030…

A: Given: Molar Mass of Ammonia = 17.030 g/mol Mass of Ammonia = 9.406g To Find: Number of Moles.…