What is the percentage of nitrogen, by mass, in calcium nitrate?

Q: Calculate the theoretical yield (mass in grams) of the aluminium sulphate produced.

A: Aluminium sulphate is prepared by                     2 Al + 3 H2SO4 → Al2(SO4)3 + 3 H2↑molar mass…

Q: How many moles are present in 552 grams of silver carbonate?

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Q: To three significant digits, what is the mass percentage of iron in the compound Fe2O3?

A: Molar mass of Fe = 55.85g/mol Molar mass of O = 16g/mol Molar mass of Fe₂O₃ = 2(55.85) + 3(16) =…

Q: If you were asked to determine the formula mass of aluminum sulfate, how many oxygen atoms would you…

A: Formula mass is the sum of the mass of all the elements in the empirical formula of the compound.

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

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

Q: What is the mass percent of hydrogen in water?

A: Since we know that mass any elements in any compound is calculated as  Mass percent of element= mass…

Q: What is the mass, in grams, of a mole of ozone (0,) molecules?

A: Given :- 1 mol O3 molecules  To calculate :- mass of 1 mol O3 molecules in gram.  1 mol O3 molecules…

Q: What is the percentage composition of Cr2O3

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Q: What is mass percent of hydrogen in nonane?

A: Nonane is a long chain aliphatic hydrocarbon compound which contains nine carbons. # From the…

Q: What is the equation for for the mass percent of an element, what is it?

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Q: What is the mass in grams of carbon dioxide that would be required

A: Given :- mass of LiOH = 50.5 g  To calculate :- mass of CO2 (in g)   Number of moles = mass/molar…

Q: Determine the mass percent of oxygen in ammonium sulfate.

A: 2.  Given : name of the compound is ammonium sulfate  To be calculated : mass percent of oxygen in…

Q: Determine the percentage by mass of an element in "salt"

A: Chemical Formula of Table Salt = NaCl Molar Mass of NaCl = 58.44 g/mol Mass of Element Na = 22.99…

Q: What is the molar mass of sulfur trioxide?

A: molar mass of sulfur trioxide is 80 g/mol

Q: Ammonium dihydrogen phosphate, formed from thereaction of phosphoric acid with ammonia, is used as a…

A:

Q: Based from the given problem, What is the percentage purity of the tartaric acid (C4H6O6)? *

A: Tartaric acid is an example of a bicarboxylic acid. It is found naturally in many fruits such as…

Q: The percent by mass of copper(I) in Cu,CO3 is %.

A:

Q: B. How many moles of manganomanganic oxide will react with 5.33 x 1025 atoms of aluminum?

A: The balanced Chemical equation given - 3Mn3O4 + 8Al -----> 4Al2O3 + 9Mn   One mole of aluminum =…

Q: What is the formula of pyrite, and what is its molar mass?

A: S=Fe=S is the structure of pyrite.The formula for pyrite is FeS2

Q: What is the mass percentage

A: Mass percent or w/w % = (mass of solute/mass of solution) × 100 %

Q: percentage of compound

A: According to the question, a solid compound has a mass of 52.20 g. For testing, we scrape the…

Q: How many moles of silver chromate will be produced from 143 g of silver nitrate?

A: Number of moles of a substance is given by the ratio of mass of the substance to that of the molar…

Q: What is the percentage by mass of sulfur in Iron (III) sulfide, Fe2S3

A: The mass percentage is the method of expressing the concentration of an element in a particular…

Q: the limiting reagent is the number of IF, molecules formed is and the number of atoms/molecules in…

A: Before doing this problem we must know the concept of limiting reagent  In a chemical reaction one…

Q: the percentage purity of the potassium cyanide.

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Q: Calculate the mass percentage of each element in vanadium (III) acetate.

A: Given :- name of compound = vanadium (III) acetate  To calculate :- mass percentage of each element

Q: What is the Molar Mass of sulfuric acid?

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Q: Calculate the percentage by mass of oxygen in aluminum nitrate.

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Q: percentage of ammonia i

A:

Q: What is the molecular mass of NaOH?

A: Given: Atomic mass of Na = 22.99 g/mol Atomic mass of O = 15.99 g/mol Atomic mass of H = 1.008 g/mol

Q: What is the mass percentage of O in C3H,O,?

A: The mass percentage of an element is a one of the way to express the amount of element in the…

Q: The percent by mass of cobalt(III) in CoI3 is %.

A: Compound = CoI3 Molar mass of Co = 59.0g/mol Molar mass of I = 127g/mol Molar mass of CoI3 =…

Q: theoretical yield of sulfurou

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Q: What is the mass percentage of Na in NaF?

A: The mass percent of an element is defined as the mass of that particular element present in the…

Q: What is the molar mass of Pb(NO,),?

A: In the given question we have to calculate the molar mass of given compound. compound - Pb(NO3)2…

Q: How many grams of oxygen does it contain? What is the percentage by mass of nitrogen in the…

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Q: What is the mass percent of sulfur in disulfer tetraflouride?

A: Mass % is given by: Mass %=mass of substanceTotal mass×100 Molar mass of S2F4 = 140.1236 g/mol Molar…

Q: What is the percentage composition of CaCl2

A: Relative mass of each of the constituent element in 100 part of it   Mass % of element = W/M x100…

Q: What does the term stoichiometrically equivalent molar ratiomean, and how is it applied in solving…

A: A chemical reaction is essentially a system which involves a large collection of particles (atoms,…

Q: The percent by mass of chromium(II) in CrO is __________________ %

A:

Q: The ratio of atoms in HCL is

A: A molecule contains the atoms in a fixed ratio. If this ratio is the minimum possible ratio, the…

Q: theoretical yield of

A:

Q: What is the percent by mass of nitrogen in NH3?

A: %mass = (mass of solute ÷  mass of solution ) × 100

Q: Mass % of I in strontium periodate

A: Mass % of an element in a compound  is the ratio of mass of element to the total mass of the…

Q: what is the percentage by mass of magnesium nitrate in

A: Given : Mass of solution =20.6 g          Mass of Mg(NO3)2 = 2.91g    To calculate = % by mass of…

Q: If 250.grams of sodium azide undergoes decomposition, how many grams of sodium are produced?

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Q: If 250. grams of sodium azide undergoes decomposition, how many molecules of nitrogen gas are…

A: We have to predict the molecules of nitrogen gas Produced.