The mineral pyrolusite is a compound of manganese-55 and oxygen-16. If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?

Q: Compound X is 40.92% carbon and 4.58% hydrogen with oxygen comprising the balance. What is the…

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Q: A compound is composed of only carbon and hydrogen contains 85.7% C and 14.3% H by mass. What is the…

A: Given: The percentage of carbon in the compound = 85.7 % The percentage of hydrogen in the compound…

Q: If an oxide of chromium is 48% oxygen by mass, what is its empirical formula?

A: Given Percentage of oxygen = 48 %  Let Total percentage  = 100%  Then % of chromium = ( 100 -  48 )…

Q: An oxide of chromium is made up of 5.20 g chromium and 5.60 oxygen.What is the empirical formula of…

A: Empirical formula of any compound can be obtained  by determining the simplest whole number ration…

Q: Combustion of a hydrocarbon in a limited supply of air produces CO in addition to CO, and H,O. When…

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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: Mandelic acid is an organic acid composed of carbon (63.15%), hydrogen ( 5.30%), and oxygen…

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Q: If 0.587 g of nickel metal reacts with 1.065 g of chlorine gas, what is the empirical formula of the…

A: Answer :- A] NiCl2 Product formed in the is independent of the moles of reactants present as it…

Q: What is the empirical formula of acetic acid, HC₂H₃O₂?

A: Empirical formula represents the simplest ratio of the number of constituent atoms of a given…

Q: The compound noradrenaline contains 56.80% C, 6.55% Н, 28.37% О, and 8.28% N by mass. What is the…

A: To solve thia problem we have consider that mass of given compound is 100 g  Then according to the…

Q: In 1871, Mendeleev predicted the undiscovered element ekasilicon. In 1886, the element was…

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Q: Which of the following could be an empirical formula?

A: Empirical formula of a compound written with the smallest possible integers.

Q: A substance was found to contain 65.95% barium and 34.05% chlorine by mass upon analysis. What is…

A: Given that mass percent of barium is 65.95 % and mass percent of chlorine is 34.05%.

Q: White phosphorus, P4, spontaneously bursts into flame in oxygen. If 6.500 g of white phosphorus…

A: Answer: Empirical formula of the compound is the formula that represents the atoms of each type…

Q: The compound adrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the…

A: Let the mass of adrenaline be 100 g.Thus, mass of:C = 56.79 gH = 6.56 gO = 28.37 gN = 8.28 gThus,…

Q: Calculate the mass, in grams, of  0.607  mol of hydrogen peroxide,  H2O2 . mass of  H2O2:

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Q: What is the molecular formula of the molecule that has an empirical formula of CH and a molar mass…

A: Given , Empirical formula = CH Molar mass = 78.0 g/mol

Q: What is the empirical formula for manganese(II) oxide—Mn2O, MnO, or MnO2?

A: Given here three different empirical formula for manganese(II) oxide,Mn2O, MnO and MnO2.we are asked…

Q: A sample of a certain organic acid has a mass of 5.000 g.  Elemental analysis of this compound found…

A: Total mass of the sample of organic acid = 5 g Amount of C = 1.334 g Amount of O = 3.554 g Amount of…

Q: What is the empirical formula of a compound that contains 71.9% carbon, 12.1% hydrogen and 16.0%…

A: Given : C = 71.9%              H = 12.1%              O = 16.0%

Q: What is the empirical formula of a hydrocarbon that is 79.89% by mass carbon?

A: Hydrocarbons are the compound in which carbon and hydrogen are bonded together by covalent bond.…

Q: A binary compound of boron and hydrogen has the following mass composition: 78.14% boron, 21.86%…

A: Determine how many grams of each element are present in  of compound. Given compound has  boron (by…

Q: What would the empirical formula be for a compound that contains only nitrogen and oxygen and is…

A: Find the solution below

Q: An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of…

A: According to given data%mass of Tellurium in compound=28.53 %and% mass of Bromine in compound=71.47…

Q: Adipic acid is an organic compound composed of 49.31% C, 43.79% O, and the rest hydrogen. If the…

A: To determine the empirical formula and molecular formulas of a compound, we need to follow certain…

Q: How many atoms of silicon are in 0.75 mol of disilicon hexahydride, Si2H6?

A: Moles of Si2H6 = 0.75 mol No. of atoms of Si in Si2H6 = ?

Q: 5. The empirical formula of a compound is CH, If the molar mass of this compound is about 13, what…

A: Given: The empirical formula of compound=CH The empirical formula mass = 12 x 1 + 1 x 1…

Q: If a hydrocarbon is 25% hydrogen by mass, what is its empirical formula?

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Q: What is the empirical formula for a compound that has 26.96% sulfur, 13.45% oxygen and 59.9%…

A: Molecular formula of compound is a way to tell how many atoms of each type are present in the…

Q: An oxide of tungsten (symbol W) is a bright yellow solid. If 5.34 g of the compound contains 4.23g…

A: To calculate the mole of tungsten and oxygen - Total mass of sample = 5.23 g Molar mass of…

Q: Which of the following cannot be an empirical formula? O 1) Al(SIO3)3 O 2) AGNO3 3) KCI O 4) C4H10

A: Empirical Formula It is a chemical formula showing simplest ratio of elements in a compound.…

Q: 3. Vitamin C, ascorbic acid, contains 40.92% C, 4.58% H, and 54.50% O by mass. What is the empirical…

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Q: A common name for galactose is cerebrose, or brain sugar. What is the molecular formula of galactose…

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Q: etraphenylporphyrin is a synthetic compound that resembles naturally occurring porphyrins.…

A: Step 1: % by mass of C = 85.96 % % by mass of H = 4.92 % % by mass of N = 100-(85.96 + 4.92)…

Q: The mineral pyrolusite is a compound of manganese and oxygen. If 63.19% of the mass of pyrolusite is…

A: The empirical formula of a chemical compound is the simplest positive integer ratio of atoms present…

Q: The total count of atoms in 1.3 mol of argon in its elemental form is:

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Q: Empirical formula for one of the phosphorus oxide is P205 what is it like your formula of this oxide…

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Q: A substance has the molecular formula C6H12O2. What is its empirical formula?

A: A substance has the molecular formula C6H12O2. The empirical formula has to be given below.

Q: What is the empirical formula of C6H10O4

A: Empirical formula= C3H5O2

Q: Elemental analysis of an unknown compound shows it to contain 1.314574 g of hydrogen, 13.466853 g of…

A: Molar Mass of Phosphorus = 30.97 g/mol Molar mass of Hydrogen 1.00 g/mol Molar mass of Oxygen = 32…

Q: A compound has a composition of 94.7% of carbon and 5.3% of hydrogen by mass. What is the empirical…

A: The empiric formula of a chemical compound is the shortest positive integer ratio of atoms found in…

Q: Gallium arsenide is one of the newer materials used to make semiconductor chips for use in…

A: Empirical formula The empirical formula is the molecular formula of the compound that represents the…

Q: The elements X and Y form a compound that is 40% X and 60% Y by mass. The atomic mass of X is twice…

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Q: An oxide of osmium (symbol Os) is a pale yellow solid. If 2.89 g of the compound contains 2.16 g of…

A: Its an oxide, hence oxygen should be present. Given, mass of osmium = 2.16g mass of compound = 2.89g…

Q: What is its empirical formula?

A: Number of moles = mass/molar mass  Molar mass of C = 12.0 g/mol  Molar mass of H = 1.0 g/mol  Molar…

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: Calculate the mass, in grams, of Avogadro's number of  silicon atoms.

A: Avagadro's number = 6.023×1023 Molar mass of silicon (Si) =28.0855 g/mol The mass of Avogadro's…

Q: A chemical is found to have an empirical formula of C2HCl. If the molar mass is 181.44 g/mol, what…

A: molecular formula mass = n×empirical formula mass…