Ammonium sulfate, , is in fertilizer and replenishes nitrogen to the soil. What is the number of atoms in the chemical formula of ammonium sulfate? A) 13 B) 14 C) 15 D) 20 E) none of the above

Q: 1.0g of this compound has .272g of carbon and .727g of oxygen, find the formula and name for this…

A: Given, .272g of carbon and .727g of oxygen Therefore,                  C : O    (.272/12) :…

Q: What is the mass of one mole of water (h2o)

A: Given,Moles of water, H2O = 1 molThe mass of 1 mole of water can be calculated as:

Q: what is a definition of a mole

A: A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance.…

Q: In chemical reactions: Select one: a. molecules and atoms can be created or destroyed b. molecules…

A: To explain in chemical reactions :  a) molecules and atoms can be created or destroyed  b) molecules…

Q: Electrons may transfer from  a) atoms of barium to atoms of chlorine b)atoms of sodium to atoms of…

A: We have to predict the option for which  electron transfer is possible.

Q: A compound is found to contain 34.60 % chlorine , 46.85 % oxygen , and 18.55 % fluorine by mass. To…

A: Given: Mass percent of chlorine = 34.60 % Mass percent of oxygen = 46.85 % Mass percent of fluorine…

Q: Sulfur (S8), combines with oxygen (O2) at elevated temperatures to form sulfur dioxide. How many…

A: A question based on molecules that is to be accomplished.

Q: how many carbon atoms are, hyrdrogen atoms, oxygen atoms, and nitrogen atoms are in this molecule?

A: The molecule given in the question is a hydrocarbon compound which has heteroatoms (O and N).…

Q: 9) Na2CrO4 # of molecules: # of elements: Name of element: # of atom Total # of atoms:

A: Sodium chromate is the inorganic compound having chemical formula of Na₂CrO₄.

Q: 11/Round all molar masses to the whole number when using the periodic table. All answers should be…

A:

Q: which has the correct number of atoms in one molecule of dichlorine momooxide A. contains three…

A: To determine No of Atom in a molecule, we must know the molecular formula of that molecule Then we…

Q: atoms

A:

Q: Part C The cation Alt with each of the following anions: HSO3 and MnO4 Express your answers as…

A:

Q: How many carbon atoms are there in 10 Ibs of sugar, CH,,0̟,? 22 11 Select one: a. 159 atoms O b. 8.0…

A: Mass of C12H22O11=10lbs Formula used- 1 lbs=4.54kg 1kg=1000g Mole=mass/molar mass No of carbon…

Q: the number of iron atoms in 125 moles of iron

A: Number of moles of iron=125mol Number of iron atoms=?

Q: How do I determine the number of atoms for a given element that are in a compound?

A: Some rules should be followed to calculate Number of elements in a compound.

Q: What is the term for the property of a substance that cannot be observed without changing its…

A: The property of a substance that cannot be observed without changing its chemical formula is…

Q: REAGENTS/PROCEDURE/TEST Br₂ in dark 2,4-DNPH test Acid hydrolysis of ester RESULT Red-orange…

A: Let us discuss one by one each of the following given experimental tests.

Q: Magnesium oxide contains 60.3 % magnesium by mass. Calculate the mass of magnesium oxide sample if…

A: Given,Mass percent of magnesium in magnesium oxide = 60.3%.Mass of magnesium in sample = 20.5g.

Q: One mole of sulfur approximately has a) 6.02214 * 10^23 b) 6.02222 * 10^23

A: In chemistry, mole concept is very important for various calculations , understanding and quantify…

Q: What is the range of values that would be within a power of 10 of Avogadro's Number?

A:

Q: One mole of calcium contains____calcium atoms.

A:

Q: Use the ideal gas law to complete the table: P V 1.30 L 2.49 atm 513 torr 0.443 atm 0.198 L 21.2 mL…

A:

Q: Give the name, empirical formula, and molecular mass ofthe molecule depicted in Figure

A: In the given figure the violet color represents Phosphorous atoms and the red color represents…

Q: Using the given data, calculate: 1)Amount of CaCo3 2)Mass of CaCO3 in tablet 3)% mass of CaCo3 in…

A:

Q: Considering a single element, 1 mole is defined as how many atoms?

A: Considering a single element, 1 mole is defined as how many atoms?

Q: The number of particles in 1 mole is called ? b) The value of the mole is equal to the number of…

A: No of particles = mole × avagadro number.   Mass = molar mass × mole.

Q: How do non-metals combine?

A: Nonmetals are present on the right side of the periodic table. So, the number of electrons are more…

Q: What would you multiply "atoms of oxygen" by to get the units "grams of oxygen"? atoms O (number)…

A: The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro…

Q: How many electrons in a chloride ion? (How many electrons in the ion that chlorine makes?) Please…

A: According to the question we have to determine the how many electrons in a chloride atom. Atomic…

Q: 19. A certain sample of dichlorine heptoxide consists of 4200 oxygen atoms combined with chlorine…

A: According to the given data the sample is dichlorine heptoxide. The sample consists of a total of…

Q: Calculate the mass of vanadium(V) oxide (V,05) that contains a million (1.0 x 10°) vanadium atoms.…

A: Given : Number of Vanadium atoms = 106 .

Q: How many carbon atoms are in the following

A: The name of the given compound is…

Q: Collected Volume sodium carbonate (mL) 98.0 Molarity sodium carbonate (M) 0.20 Volume calcium…

A:

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.