5.00 g of a manganese oxide contains 3.16 g of manganese. What is the empirical formula of the oxide?

Q: A sample of silicon having a mass of 3.43 g combined with oxygen to form a compound with a mass of…

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Q: How many grams of phosphorus triiodide contain 1.74 grams of I ?

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Calculate the number of grams of cobalt that contain the same number of atoms as 1.96 g of iron.

A: 1 mole = 6.022×1023 [ Avogadro number ] The mass of one mole of atoms of an element is called molar…

Q: How many moles of titanium are contained in 71.4 g?

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

A: The mass in grams of 1.00 mol of helium atoms has to be given.

Q: What is the empirical formula of the compound?

A: Number of moles = mass/molar mass Given:- mass of O = 5.07 g  mass of Cu = 40.27 g Molar mass of Cu…

Q: What is the empirical formula of C4H10N2

A: Given Molecular Formula  : C4H10N2

Q: Determine the number of atoms of O 10.0 of CO2.

A: Since each molecule of CO2 has 1 atom of C and 2 atoms of O  Hence each molecule has total number of…

Q: If 3.5 g of element X reacts with 10.5 g of element Y to form the compound XY, what is the percent…

A: A chemical compound is a chemical entity made up of several similar molecules (or molecular…

Q: An analysis of a compound reveals that a 25.00 g sample contains 23.06 g of carbon (12.01 g/mole)…

A: The molecular formula of a compound is the formula which shows the true formula of its molecule. It…

Q: How many fluorine atoms are present in 5.85 g of CF4?

A: Given, Mass of C2F4 = 5.85g

Q: A 1.912g sample of calcium chloride is decomposed into its constituent elements and found to contain…

A: The mass percent of elements is calculated using equation (1) where m is mass of element and M is…

Q: A 1.115-g sample of cobalt was heated with excess sulfur to give 1.722 g of cobalt sulfide. What is…

A: Mass of Co = 1.115 g Mass of S = mass of cobalt sulfide - mass of cobalt                 = 1.722 -…

Q: Calculate the total number of oxygen ATOMS in 1.926 g of magnesium perchlorate.

A: The total number of atoms available in the molecules of any particular substance is referred to as…

Q: What mass of ammonia gas (NH3) contains 2.8*10^24 hydrogen atoms?

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Q: Write the empirical formula of an ionic compound?

A: ANSWERE IS DISCUSSED BELOW :

Q: A 345.21 g sample of a compound was found to contain 200.50 g of carbon and 144.71 g of hydrogen.…

A: We have 345.21 g of given compound, we have 200.50 g of C, 144.71 g of H. We have to calculate the…

Q: What is the percent by mass N in Magnesium Nitrate?

A: Atomic mass of N =  14 g mol-1 Molar mass of Magnesium Nitrate (Mg(NO3)2) = 148.3 g mol-1

Q: A 2.144-g sample of phosgene, a compound used as a chemical warfare agent during World War I,…

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Q: 2. A 13.07g sample of an unknown compound is composed of 9.48 g of barium, 1.66g of carbon and 1.93…

A: Empirical formula of a compound is denoted by the proportion of numbers of atoms present in the…

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

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Q: Write the empirical formula corresponding to aspirin, C₉H₈O₄.

A: Empirical formula  Smallest whole number ratio that exists between a compound's constituent…

Q: what is the percentage composition of oxygen of potassium sulfate,K2S04?

A: Since, Molar mass of K2SO4= 174.259 g mol-1 Molar mass of O = 16 g mol-1 %O = ?

Q: How many oxygen atoms are in 3.00 g of quartz?

A: We know that 1 mole = 6.023 x 1023  molecule / atom /ions* Chemical formula of quartz= SiO2*…

Q: How many oxygen atoms are in 1.70 g of quartz?

A: The chemical formula of quartz is SiO2. The formula mass of SiO2 is 60.08 g. The number of moles (n)…

Q: Determine the number of moles in 234 g of F,

A: Given  Mass of F2                 = 234 gram  Number of Moles   = ? Molar mass of F     = 19 gm/mole…

Q: If there are 35g Oxygen in a pure sample of Silicon Dioxide (SiO3), how many grams of Silicon are…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: A sample of a compound has a mass of 41.13 g. The sample is found to contain 37.28 g of carbon and…

A: The mass of the sample compound is = 41.13 g The mass of carbon in this sample is = 37.28 g The mass…

Q: What is the mass of 2.00 moles of CS2?

A: Molar mass of CS2  = 76.14 g /mol 1 mol CS2 = 76.14 g

Q: The mass of a copper coin is 3.20 g. Suppose it were pure copper. (a) How many moles of Cu atoms…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields…

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Q: A 0.500 g sample of tin foil reacted with oxygen to give 0.635 g of product. (a) What is the…

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Q: What is the empirical formula for C4H8?

A: Given, C4H8   An empirical formula is defined as the simplest or most reduced whole number ratio of…

Q: Determine the quantity of atoms of vanadium in 1.28 grams of vanadium

A: Given :- mass of Vanadium = 1.28 g  To calculate :- number of atoms of Vanadium

Q: Calculate the mass in grams of 422 atoms of potassium K

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Q: What is the mass, in g, of 4.54 mol of cadmium atoms?

A: The mass of the Cadmium atoms can be calculated asMolar mass of cadmium atom is 112.411 g/molMass =…

Q: What is the empirical formula of C6H10O4

A: Empirical formula= C3H5O2

Q: If 3.72g of iron oxide compound contains 1.12g of oxygen, what is the empirical formula of the…

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Q: What does the word “empirical” in empirical formula mean? If we know the empirical formula of a…

A: In chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of…

Q: How many oxygen atoms are in 2.40 g of quartz?

A: quartz :  molecular formula = SiO2 molecular mass = 28 + (2 x 16) g/mol                            =…

Q: A 30.6 g sample of the compound X2O3 contains 14.4 g of oxygen atoms. What is the molar mass of…

A: The values are given as follows:

Q: A compound containing selenium and fluorine is decomposed in the laboratory and produces 2.231 g Se…

A: wt. Of Se obtained = 2.231 g wt. Of  F obtained = 3.221 g Empirical Formula = To be determined

Q: Calculate the mass, in grams, of 202 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: The general unit conversion for atoms to mass in grams is as follows,

Q: A combustion analysis of 5.214 g of a compound yields 5.34 g CO, 1.09 g HO, and 1.70 g N. If the…

A: Correction: It should be CO2  not CO It should be H2O not HO It should be N2 not N Given, Mass of…

Q: A 1.271 g sample of aluminum metal is heated in a chlorine gas atmosphere, and the mass of aluminum…

A: We can calculate the mass of the chlorine from the mass of aluminium chloride and the mass of…

Q: A sample of a compound was found to contain 54 g of aluminum, 96 g of oxygen, and 6 g of hydrogen.…

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Q: How many moles of SF6 are present in 1.223 g of SF6

A: Given 1.223 g of SF6 We have to determine moles of SF6 are present in 1.223 g of SF6

Q: Phosphorus is obtained primarily from ores containing calcium phosphate. If a particular ore…

A: Given information: The mass percent composition of calcium phosphate is 57.8% The amount of…

Q: the mineral hausmannite is a compound of Mn and O. If hausmannite is 72% Mn by mass, what is the…

A: Given, 72% Mn by mass

Q: The formula of ytterbium(III) oxide is Yb₂O₃. What is the percent by mass of oxygen in…

A: Mass percent represents the composition of an element in the given compound, which is calculated…