3. A compound is composed of 52.14% Carbon, 13.13% Hydrogen and 34.73 Oxygen by mass a. What is the empirical formula b. If the molar mass of the compound is 138.204g/mol, what is the molecular formula?

Q: If the mass of Mg is 0.19g and the product mass is 0.74g. What is the moles of Mg in the product

A: In this question, we have to calculate the number of moles of Mg produced. 1 mole of any substance…

Q: Acetylene gas is 92.3% carbon and 7.7% hydrogen (by mass), and its miler mass is 26 g/mol. What is…

A: A numerical problem based on molecular formula determination, which is to be accomplished.

Q: A healthly person breathes out approximately 0.020 L of carbon dioxide in one breath. How many moles…

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Q: Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass of…

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Q: 4) Nicotine, the stimulant in tobacco, causes a very complex set of physiological effects in the…

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A: The balanced reaction for burning of octane is  2 C8H18 + 25 O2 -----> 16 CO2 + 18 H2O Hence from…

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A:

Q: Consider the reaction: MnO2 + 4HCl ⟶ MnCl2 + Cl2 + 2H2O If 0.86 mole of MnO2 and 48.2 g of HCl…

A:

Q: b. If the chemical reaction uses 23.45 grams of N2 gas, then how many moles of NH3 will be produced?…

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Q: An organic compound weighing 0.6827 g is decomposed, giving 0.2095 g carbon and 0.08436 g hydrogen.…

A: Given the total mass of organic compound = 0.6827 g mass of C = 0.2095 g mass of H = 0.08436 g

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A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: ___NH3 + ___O2 ---> ___NO2 + ___H2O What mass of NO2 can be produced from 8.46 x 1022 molecules…

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Q: what is the maximum number of moles of C that can be formed?

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Q: DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction. 2…

A: The given reaction is as follows: 2C6H5Cl        +   C2HOCl3  →   C14H9Cl5  +  H2OChlorobenzene…

Q: For the following reaction, 7.60 grams of methane (CHA) are allowed to react with 27.6 grams of…

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Q: The empirical formula of styrene is CH; its molar mass is 130.2 g/mol. What is the molecular formula…

A:

Q: a compound that contains only carbon, hydrogen, and oxygen is 68.5% C and 8.63% H by mass. what is…

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Q: What is the formula for the compound ?

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Q: A 58.5 g sample of an unknown compound that contains only carbon, hydrogen and oxygen was analyzed…

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Q: Compound X is consisting of 38.70% carbon, 51.60% oxygen and the rest is hydrogen. The molar mass of…

A: Given:  Mass ℅ of carbon = 38.70 ℅ Mass ℅ of oxygen = 51.60 ℅

Q: Solid sulfur and oxygen gas react to produce sulfur trioxide as shown below. In a particular…

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A: This can be solved by using the Molarity and Avogadro's number concept.

Q: A chemist is attempting to synthesize, or create ammonia, NH3 in the laboratory. He reacts 14.6g of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Menthol, the substance we can smell in mentholated cough drops, is composed of C, H and O. A…

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Q: If steel wool (iron) is heated until it glows and is placed in a bottle containing pure oxygen, the…

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Q: A 2.87 g sample of carbon reacts with hydrogen to form 3.41 g of car fuel. What is the empirical…

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Q: What is the percentage of each element in this substance?

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Q: 1)Copper metal reacts with molecular nitrogen to form copper(II) nitride.  a)Write the balanced…

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Q: 2. Alex has a big black tattoo of a teddy bear on their back. Iron (II, III) oxide was used as the…

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Q: (a) What is the mass, in grams, of 4.62  1023 molecules of aspirin, C9H8O4?

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Q: The balanced equation for the Haber Process is shown below. In this reaction, nitrogen and hydrogen…

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Q: and

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Q: The chemical formula for feldspar is K₂Al₂Si₆O₁₆. How many moles of feldspar are in 990.5 grams?

A: First, calculate the molar mass of K₂Al₂Si₆O₁₆.  Molar mass = 2×(molar mass of K) + 2×(Molar mass of…

Q: 0.274 moles of a substance weighs 62.5 g.  What is the molar mass of the substance?

A: No.of moles= mass(g)/molarmass(g/mol)  i.e  n = w/M  Where   n = 0.274 mol  w = 62.5 g  M = ?

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Q: A multi-nutrient fertilizer contains several different nitrogen containing compounds. The fertilizer…

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Q: The empirical formula of a compound is C4H9. It's molecular mass is 114g/Mol. What is its molecular…

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Q: A compound containing carbon and hydrogen contains 4.75 g of carbon and 0.80 g of hydrogen.  The…

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