Explain the problem with the following statement and correct it: “The chemical formula for ammonia (NH3) indicates that ammonia contains three grams of hydrogen for each gram of nitrogen.”

Q: Naturally occurring chlorine is 75.78% 35Cl (atomic mass 34.969 u) and 24.22% 37Cl (atomic mass…

A: Given :  Atomic mass of lighter isotope i.e 35Cl (A1) = 34.969 u  Percentage abundance of lighter…

Q: Determine the number of atoms of O in 58.7 moles of Al2(SO4)3.

A:

Q: The molar masses and empirical formulas of several compounds containing carbon and nitrogen are…

A: The relatively simple positive integer ratio of all atoms contained in a chemical compound is…

Q: How many moles of nitrogen, N, are in 67.0 g of nitrous oxide, N2O? Express your answer with the…

A: Moles : Mole is an unit of amount ofsubstance for measuring large quantities of very small entities…

Q: OC) 5.06 x 1024 How many atoms of carbon are in 23.1 g of caffeine (C8H10N4O2)? A) 8.00 B) 7.16 x…

A: Formula of caffeine = C8H10N4O2  Mass of caffeine = 23.1 g  Molar mass of caffeine = 8(molar mass of…

Q: An unknown compound is processed using elemental analysis and found to contain 117.4 g of platinum,…

A: We know that,  Number of mole = given mass/molar mass Atomic mass of platinum =195.084 g

Q: A 1-carat diamond is pure crystaline carbon and has a mass of 0.200 g.Which contains more carbon…

A:

Q: molecular weight

A:

Q: Acetaminophen, a common aspirin substitute,has the formula C 8 H 9 N O 2 . Determine the numberof…

A: Given  Molecular formula of acetaminophen = C8H9NO2  Molar mass of C8H9NO2 = (12 x 8 ) + ( 1 x 9 ) +…

Q: Which of the following setups would you use to obtain the number of O atoms in 86.8g of Cr(NO3)3?

A:

Q: Write the empirical formula corresponding to thymine, CH,N₂O₂?

A: Empirical formula of a compound is the simplest whole number ratio of the atoms present in that…

Q: how many atoms of carbon are in a 312.5 mg sample of C^3H^8?

A: Avogadro's number gives the number of atom or particle present in 1 mole of any substance.

Q: The molecular formula for benzene is C6H6. What is its empirical formula?

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

Q: Ibuprofen, a potent headache remedy, has a molar mass of about 206 grams and has been determined to…

A: Empirical formula represents the simplest whole number ratio of atoms of elements present in the…

Q: ii) Calculate the percentage of carbon present in CeH12O6 (Atomic Mass of C-12 g, 0-16g and H-1g)

A:

Q: A thyroid condition called goiter can be treated by increasing iodine in the diet. Iodized salt…

A: The topic of the question relates to the use of iodine in the treatment of goiter, a condition…

Q: How many atoms in total are there in one molecule of Mg(NO3)2?

A: In a molecular formula, symbols of all the constituting atoms are shown along with their numbers in…

Q: Determine the empirical formula of each of the following compounds. (Type your answer using the…

A: Data given:  (a) Number of moles of chlorine = 0.063 mol Number of moles of oxygen = 0.22 (b) Mass…

Q: How many moles of iodine atoms are there in a sample that consists of 1.35e+23 molecules of…

A: Mole=no of molecule÷6×1023 Mole=1.35×1023÷6×1023 Mole= 0.225 1 mole iodine elememental have 2 mole…

Q: A sample of hydrogen has a mass of 40.2 grams.  How many H atoms are there in the sample?   How…

A: Given that,mass of hydrogen = 40.2 gMolar mass of hydrogen = 2.016g/molmoles of hydrogen = mass of…

Q: A 3.87g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 5.30x1022 N2O…

A: a) 1 molecule of N2O contains 2 nitrogen atoms, Hence, 5.30 ×1022 N N2O molecules will contain…

Q: How many moles of ibuprofen contain 1.62 x 10^23 atoms of C?

A: To find the number of moles of ibuprofen that has the given number of carbon atoms.

Q: An unknown compound contains 53.34% rhodium, 9.338% carbon, and the rest is oxygen. a) If you assume…

A: Given a compound with the composition: Rh = 53.34 % C = 9.338 % O = 100 - (53.34 + 9.338) % = 37.322…

Q: Avogadro’s Number 1. 2.57 x 1011 atoms of silver equal how many moles of silver?

A: Given data: The number of atoms of silver is 2.57×1011. To calculate: The moles of silver.

Q: A given sample of xenon fluoride contains molecules of a single type XeFn, where n is some whole…

A:

Q: How many grams of hydrogen are there in 28.13 g of a compound that contains 19.6% H and 80.4% C?

A: The mass of the compound is = 28.13 gThe percentage of hydrogen in the compound is = 19.6 %The…

Q: How many molecules are there in 1,975.0 g of table sugar, sucrose, C12H22011?

A: Given,  1975 g of table sugar, C12H22O11

Q: Calculate the molar mass of the elements (go to the nearest one if your answer does not exactly…

A: Given, mass of an element and atoms it contains.  To identify its molar mass and the Element. First,…

Q: Elemental analysis of a 60.00 g sample of a molecular compound used as a drycleaning fluid finds…

A: A sample of a compound used as a dry cleaning fluid is found to containmass of carbon (C) = 10.80…

Q: A.)If 4.76  mL of seawater contains about 5.46×10-14  moles of gold, how many atoms of gold are in…

A: Given, A.)If 4.76  mL of seawater contains about 5.46×10-14  moles of gold, number atoms of gold are…

Q: A 150.0 gram sample of a white powder contains 61.05 g of carbon, 7.65 g of hydrogen, and 81.30 g of…

A:

Q: how many atoms of carbon are in a 12.5 mg sample of C^3H^8?

A: Given, Mass of C3H8 = 12.5 mg = 0.0125 g Formula used,  moles=given massMolar mass 1 mol = 6.023 x…

Q: the context is "Cosmone is a molecule used by fragrance manufacturers to provide a rich and elegant…

A: The solution is as follows:

Q: In an experiment 0.500 g of nickel reacted with air to give 0.704 g of nickel oxide. What is the…

A: Given data,Mass of Nickel=0.500gMass of Nickel oxide=0.704gMass of oxygen=Mass of Nickel oxide-Mass…

Q: What is the molecular mass in amu of copper(I) sulfate? Use these values from the periodic table…

A: The answer to the following question is given as:

Q: The element X forms the oxide X,06. This oxide contains 57.52% oxygen by mass. Identify X by…

A: Mass of compound can be converted to moles using molar mass. Mole = MassMolar mass Given data:…

Q: How many molecules of isolentyl acetate (C7H14O2) are there in 5.00 grams?

A: 2.31 x 1022 molecules

Q: Determine the number of atoms of C in 49.3 grams of C6H12O6.

A: Given, mass of C6H12O6 = 49.3 g  we know, molar mass of C6H12O6 = 180.16 g/mol  => moles of…

Q: C2H2O is the empirical formula for Ethanone. Asprin has the formula C9H8O4 how do I get this answer?

A:

Q: A compound weighs 215 g. It is made up of 120.20 g oxygen, 60.69 g sulfur, and the rest is aluminum.…

A:

Q: What is the total number of oxygen atoms on the left-hand side of this chemical equation?…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: What is the empirical formula for a compound that contains 78.2% carbon, 6.57% hydrogen, and 15.2%…

A: we have to find the empirical formula of the compound

Q: How many moles of arsenic is 2.345 x 1019 atoms? How many moles of carbon are in a 1.00 carat…

A:

Q: 3 Serotonin (C10H12N2O) is a neurotransmitter that when balanced is responsible for happiness,…

A:

Q: Rank the following compounds in order of increasing mass percentage of nitrogen: NO, NO₂, N₂O.

A: NO :Formula to find the % of N :% of N = (mass of N / molar mass of the compound ) X 100…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.