One mole of an atom of a substance is equal to the: Atomic mass of the element, in grams Collective atomic mass of the compound or molecule, in grams All of the choices Molar mass of the substance, in grams

Q: Arsenic reacts with oxygen to form a compound AsxOy. If 2.354 g of arsenic forms 3.611 g of the…

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Q: Which of the following are true of molar mass?  Mark ALL that apply. Group of answer choices Molar…

A: Molar mass of a compound is the defined as the mass of that compound divided by the amount of the…

Q: Determine the number of moles of -2 magnesium used. The atomic weight of .magnesium is 24.3 g/mole

A: Given information is as follows; Mass of Magnesium = 2 g Atomic weight of Magnesium = 24.3 g/mole…

Q: Use this information to find the molecular formula of X.

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Q: The ratio between two substances given by the balanced chemical reaction is called the

A: The quantitative relationship between the maounts of reactants used and amounts of products formed…

Q: A compound contains arsenic and oxygen as the only elements. A sample of the compound contains 75.4%…

A: Given : Sample  have 75.4% arsenic by weight. And the compound is made up of only arsenic and…

Q: A chemical analysis of 50.00 g of a compound of chromium and silicon shows that the compound…

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Q: How many grams of oxygen would be produced from 37.4g Na2CO3?

A: I think your question should be how much amount of Oxygen is present in given amount.  Because there…

Q: The molar mass of coniine is given as 127.23 g/mol. What is its molecular formula

A: Molar mass = 127.23 gm/mole  Compound= coniine  -> Molar mass is sum of atomic masses present in…

Q: Balance the chemical equation for the reaction of BaCl, and Na, SO.. chemical equation: BaCl, (aq) +…

A: First question you have answered is correct. The given reaction is a double replacement reaction.

Q: if the average male has a body mass of 70 kg, of which 60% is water, how many moles of water are in…

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Q: Compare your molar mass to the following list think is you unknown metal: omal zinc tin platinum…

A: Required to calculate total heat produced by food burned by using the equation: (1calg.oC)(∆T)(mass…

Q: completely in excess oxygen, and the mass of the products carefully measured: product mass carbon…

A: Explanation given as follows

Q: Hydrogen gas and nitrogen gas react to give ammonia gas. How many moles of hydrogen are needed to…

A: In a chemical reaction, when number of atoms of each element present in reactants are equal to…

Q: The density of vanadium metal is 6.11 g/mL. What is the volume in milliliters of a cube of vanadium…

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Q: If 2.784 grams of silver oxide are decomposed to yeild 2.592 grams of silver how mant grams of…

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Q: A molecule has an empirical formula of NO. If the molar mass of the molecular formula is 117g/mol,…

A: We have to calculate the molecular formula.

Q: True or False: One mole of an element has the same number of atoms as one mole of any other element.

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Q: How many carbon atoms are contained within 10.0 pounds of sugar, (sucrose) which has the formula…

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Q: Are atoms created or destroyed in a chemical reaction? How do you know?

A: Atoms are neither created nor destroyed in a chemical reaction. Only the reactant goes into the…

Q: when a chemical reaction occurs, the total mass of the substances involved in the reaction does not…

A: According to the law of conservation of mass, matter can neither be created nor destroyed.…

Q: When this equation is balanced with the lowest whole number coefficients, what is the coefficient…

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Q: How many grams of oxygen would be produced from 37.4g Na2CO3?  digit ____  (your answer should not…

A: To solve this problem we have to first calculate the number of mole of Na2CO3 then we will calculate…

Q: using the balanced equation NaCl ----> Na + Cl2. Find the following, moles of chlorine: moles of…

A: Balanced Chemical reaction is given by, 2NaCl → 2Na + Cl2

Q: True

A: Question True or false, the molar mass of a substance is the total mass of all atoms in the chemical…

Q: ny atoms a

A: The number of moles is determined as the mass of the substance upon its molar mass. The number of…

Q: How many moles of sodium hydroxide are needed to neutralize 1.44 moles of sulfuric acid?

A: Given :- No.  of moles of H2SO4 = 1.44  To calculate :- No. of moles of NaOH     When an acid reacts…

Q: I have a compound Magnesium Aluminium Chloride. The mole ratio of these elements to each other is 1:…

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Q: Which statement(s) about neutralization reactions is (are) true? weak bases produce more hydroxide…

A: 1 b) Acids can be neutralized by hydroxide containing compounds. To neutralise acids, OH- containing…

Q: copper and nickel can be mixed to for corrosion resistant alloy. if a particular alloy is prepared…

A: Given that  Moles of copper = 10.7 Moles of Ni = 1.2

Q: Arsenic reacts with oxygen to form a compound AsxOy. If 2.354g of arsenic forms 3.611g of the…

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Q: 5.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given, Mass of compound X = 5.00 g. Molar mass = 152. g/mol Produced mass of carbon dioxide = 7.24 g…

Q: I have a compound Magnesium Aluminium Chloride. The mole ratio of these elements to each other is 1:…

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

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Q: What is the calculated mass of 800. atoms of iron (Fe)?

A: Given -> Number of atoms of Fe = 800 atoms

Q: The actual yield of one of the reactions in 43.5g. What was theoretical yield in the laboratory if…

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Q: On a balance, you weighed out 264.4 g sucrose. If the molar mass of sucrose is 342.3 g/mol, how many…

A: Concept introduction: Number of moles of the substance is equal to ratio of the substance to molar…

Q: What are the units for molar mass? * O mol O amu O grams O amu/mol O amu/grams O grams/mol O…

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Q: Aluminium has a density of 2.70g/cm(cubed). How many moles of aluminum are in a 13.2cm(cubed) block…

A: Given, Density = 2.70 g/cm3 Volume = 13.2cm3

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.