The percent by mass of nitrogen for a compound is found to be 63.7%. Which of the following could be this species? N (Express your answer as a chemical formula.)

Q: compound

A: The first step is to calculate the molar mass of KNO3. It can be calculated as follows: Molar mass=…

Q: Describe how the knowledge of the percent compositionby mass of an unknown compound can help us…

A: Percent (%)composition by mass helps us in identification of the compound by comparing the relative…

Q: Please expalin in steps with any fake data you want to help explain to me on how to solve - the…

A: Experimentally oxalate ion can be determined by the titrimetric method with the use of KMnO4 as…

Q: molecular formulas is also an empirical formula?

A: An empirical formula is defined as the minimum ratio of each of the elements present in a molecule.…

Q: Which does NOT describe a mole?A. a unit used to count particles directlyB. Avogadro’s number of…

A: Mole is an SI unit used to measure the amount of the substances present. One mole of the substance…

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: Write the empirical formulas of ionic compounds, given thecharges of their component ions?

A: The chemical formula of a compound in which elements are present in the simple whole number molar…

Q: What is the percent by mass of lithium in Li,O?

A: Percent by mass = (mass of Li/mass of Li2O) × 100%

Q: a compound is found to contain 40 % carbon, 6.7 % hydrogen, and 53 % oxygen by weight. What is the…

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Q: If a sample of barium hydroxide has a mass of 5.190 g, determine the number of moles of the compound…

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Q: What is the % composition of chlorine in KCI?

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Q: Describe the procedure for interconverting mass and number of formula units?

A: Formula unit is determined for the ionic compound as the number of cations and anions present in the…

Q: What is the percent by mass of hydrogen in sulfuric acid

A: Molar Mass of H = 1 g/mol Molar mass of H2SO4 = 98 g/mol

Q: Citric acid, the compound responsible for the sour tasteof lemons, has the elemental composition: C,…

A: Empirical formula of a compound may be defined as the formula which gives simplest whole number…

Q: A compound is found to contain 37.47 % carbon, 12.61 % hydrogen, and 49.92 % oxygen by mass What is…

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Q: This is the chemical formula for diethyl ether: (CH,CH,),O. Calculate the mass percent of carbon in…

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Q: The percent by mass of nitrogen for a compound is found to be 63.7%. Which of the following could be…

A: Given -> Percent by mass of nitrogen = 63.7%

Q: An oxide of iron is found to be 70% iron by mass, what is the empirical formula for this compound…

A: An oxide of iron is given that has the following mass % compositions: Mass percentage Fe =70 % Mass…

Q: Calculate each of the following: (a) Mass fraction of Cl in calcium chlorate (b) Mass fraction of N…

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Q: C4H10 and C6H12 are both hydrocarbons. Whic one contains higher mass percentage of carbon?

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Q: What is the empirical formula (Na?S?O?) for a pure compound consisting of 29.1% sodium, 40.6%…

A: Empirical formula is represents the simplest ratio of atom in a compound.

Q: Consider samples of phosphine (PH3), water (H2O), hydrogen sulfide (H2S), and hydrogen fluoride…

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Q: Br A) What is the molecular formula for this compound? B) What is the empirical formula for this…

A: A Molecular formula  represent the total number of atoms of each element in each molecule of a…

Q: Which of the following is incorrect: Assay is the process of determining how much of a given sample…

A: We will choose the incorrect answer from the following statement.

Q: What is a MOLE? O Aunit of substance containing a certain amount expressed in grams O Aunit of…

A: The given question asks to select the right option that accurately defines a mole of any substance.

Q: Consider the mixture of propane, c3h8 and o2 a. What is the percent, by mass, of carbon in propane?

A: The molecular formula of propane is = C3H8 The mass percent of the carbon in propane is =?

Q: 1. A 4.00g sample of iodine was reacted completely with excess bromine. The mass of the compound…

A: We have to predict the empirical formula of compound.

Q: How many moles are in 7.5 x 1019 molecules of ammonia, NH3?

A: Since we know that  1 mole of any substance = 6.022×1023 molecules Here,        6.022×1023 is the…

Q: Calculate the formula mass of barium iodite, Ba(IO,),, in atomic mass units (amu or u). formula…

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Q: what is the formula mass of calcium nirate? ( round to a whole number)

A: To Write the formula of a chemical compound. first write the Symbol of cation and then write the…

Q: The percent by mass of nitrogen for a compound is found to be 46.7% Which of the following could be…

A: Given that the percent by mass of nitrogen in the compound is 46.7%.

Q: An element’s molar mass in grams per mole is numerically equal tothe element’s atomic mass in atomic…

A: An element's molar mass in g/mol  is numerically equal to the element's atomic mass in atomic mass…

Q: Calculate the percentage of carbon by mass in each of thecompounds represented by the following…

A: a. Molar mass of CO2 is 44 g/mol % of carbon would be 12*100/44 = 27.3% b. Molar mass of CH3OH is 32…

Q: How many moles of each element are in this sample? Enter the number of moles of carbon followed by…

A: we are given  moles of C = 6.66 moles of H = 19.8 we are to find the empirical formula for given mol…

Q: Bromoform is 94.85% bromine, 0.40% hydrogen, and 4.75% carbon by mass. Determine its empirical…

A: The given data contains,   bromine=94.85%   hydrogen=0.40%   carbon=4.75%

Q: This is the chemical formula for hexanal: CH3(CH2),CHO. Calculate the mass percent of carbon in…

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Q: A compound is found to contain 42.88 % carbon and 57.12 % oxygen by mass. What is the empirical…

A: Given,  A compound contains 42.88 % carbon and 57.12 % oxygen by mass.

Q: The percent by mass of nitrogen for a compound is found to be 30.5%. Which of the following could be…

A: Percentage by mass of element in a compound  = Mass of element  × 100 / Mass of compound

Q: The percent by mass of nitrogen for a compound is found to be 46.7%. Which of the following could be…

A:

Q: Is formula mass different from molecular mass and molar mass? Or they can be used interchangeably in…

A: Given: Three terms are given formula mass, molecular mass and molar mass To find: whether these are…

Q: How many formula units are in a sample of NaCl that has a mass of 175 g?

A: Number of formula units = moles X Avogadro number Avogadro number = 6.022 X 1023  Since moles = mass…

Q: Calculate the percent carbon by mass in phenol (C6H5OH). Show calculations, please

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Q: If an oxide of carbon is 36% carbon by mass, what is its empirical formula?

A: Empirical formula in chemistry is smallest wholes number ratio of atoms in compound.

Q: Calculate the average mass of 500. atoms of iron (Fe).

A: Atomic mass of one iron atom = 55.845 u molar mass = 55.845 gm/mol Use Avogadro's number to divide…

Q: The percent by mass of nitrogen for a compound is found to be 30.5%, Which of the following could be…

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Q: The molecule Al(OH), has Al atom(s), O atom(s) and v H atom(s). Therefor, the molar mass of Al(OH),…

A: Molar mass is the mass of a chemical element divided by the amount of substance (mol). It can be…

Q: e the % by mass of Fe to T

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Q: Determine the number of molecules (particles) in 2.50 moles of methanol: CH3OH?

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