a) What is the mass of 2.450 x 10²⁴ atoms of tungsten (# 74)? (Be sure to write your units, chemical symbol, and proper significant figures; use a space between each; ex: 21.0 g CH)  b)What is the molar mass of Na₂SO₄ ? (Write your answer as g/mol; ex: 21.0 g/mol) c)What is the empirical formula for this molecule: C₁₈H₃₀O₁₂ ? (Make sure to type your answer with no spaces and capital letters when needed to type the symbols of the elements. Subscripts can't be done, so just leave them as regular numbers.) *

Q: 2- Calculate the empirical fomula of the compound composed of 38.67 % C, 16.22 % H, and 45.11 %N by…

A: To calculate the empirical formula we have to calculate the number of mole of each elements in the…

Q: 3. In a chemical atomic mass determination, the tin content of 3.7692 g of SnCl, was found to be…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A) What is the formula of magnesium melonite dihydrate?  B) What is the mass % of melon in copper…

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Q: 1.) Calculate the molar mass of the given compounds.           A) P 2 O 5                B) Al…

A: Given : A) P2O5 B) Al (ClO3)3 C) NaNO3 To find : Molar mass  Solution : Molar mass of the Compound…

Q: 2. a) How many molecules are in 2.00 moles of H¿O? b) How many hydrogen atoms in 2.00 moles of H,O?…

A: Since you are posted with multiple sub-parts. As per the rule, I am answering first three sub-parts…

Q: A solid circular cone made of pure platinum (density = 21.45 g/cm3) has a diameter of 2.75 cm and a…

A: Given information,    Diameter (d) = 2.75 cm so radius (r) = 1.375 cm     Density = 21.45 g/cm3…

Q: The chemical formulas of the compounds are given: NaCl, N, O, K, Cr, O, KMnO a) Calculate their…

A: Here is the answer

Q: An ingredient of Tiger Balm salve is composed of C, H and O.  A 0.1005 g sample of the ingredient is…

A: Given :  Weight of sample = 0.1005 g  Weight of CO2 produced = 0.2829 g  Weight of H2O produced =…

Q: The bitter-tasting compound quinine is a component of tonic water and is used as a protection…

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Q: Fermentation is a complex chemical process of wine making in which glucose is converted into ethanol…

A:

Q: The unknowns are a mixture of ferrous ammonium sulfate, FeSO4(NH.)2SO4 6H20, and ammonium sulfate,…

A: For calculating the mass of FeSO4 (NH4)2SO4.6H2O and (NH4)2SO we need to know the mass of each…

Q: An Organic compound contains 59.00% by mass C, 7.15% by mass H, 7.65% by mass N, and 26.20% by mass…

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Q: In an experiment 0.500 gg of copper reacted with oxygen to give 0.563 gg of copper oxide. What is…

A: Answer 1:       Mass percentage of copper in copper oxide = given mass of coppergiven mass of copper…

Q: Ibuprofen, the anti-inflammatory drug in Advil, has the formula C13H18O2 What is the empirical…

A: Ibuprofen is an anti-inflammatory drug

Q: why at the end do you write mass of O2, but then didn't do 32g as the multiplier?

A: To calculate mass of O2 , first moles are calculated and then 32.0 g/mol would be used as multiplier…

Q: 3 Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C3H4 and an…

A: Given: Molecular formula = (C3H4)n  And molar mass of the compound = 120.1938 g/mol.

Q: Molecules of vitamin C contain 6 carbon atoms, 8 hydrogen atoms, and 6 oxygen atoms. What are the…

A: Given :-  Molecules of Vitamin c contain 6 carbon atoms, 8 hydrogen atoms and 6 oxygen atoms  To be…

Q: Be sure to answer all parts. How many H atoms are in 77.3 g of isopropanol (rubbing alcohol), C3H3O?…

A: We have to calculate  the number  of H atoms present  in 77.3 g of isopropanol alchol ( C3H8O)

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula C,H2n++…

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Q: 3.01 x 1023 molecules of freon CCl,F,? 1.505 x 1024 molecules of sucrose C12H2201 1.806 x 1024…

A: One mole of any substance contains 6.023 x 1023 Molecules, ions , atoms.

Q: What is the empirical formula of a compound that is 32.79% Na, 13.02% Al, and 54.19% F?

A: Given that in the compound sample has: Sodium (Na) =32.79% , Aluminium(Al)= 13.02 % and Fluorine (F)…

Q: Using the formula Mn(ClO₄)₄ (MM = 452.74), what is the percent by mass of Mn in the compound?

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Q: Acetylsalicylic acid, which is C9H8O4, is more commonly known as the active ingredient in Aspirin.…

A: Molar mass- The mass of one mole of a substance in grams is called molar mass. The numerical value…

Q: Mn. S,O. n H20 is the general formula of a certain hydrate. When 234.9 g of the compound of the…

A:

Q: 1. What is the empirical formula of naphthalene, C10H8? 2. The empirical formula of acetic is CH2O,…

A: Since you have asked multiple questions we will solve the 1st three for you. If you want an answer…

Q: What is the mass of taurine if the number of moles is 0.4249 mol? What is the number of moles in…

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Q: Ammonium nitrate (NH4NO3) is a common fertilizer. Agronomists base the effectiveness of fertilizers…

A: 1) The mass percent of nitrogen in ammonium nitrate has to be calculated.

Q: Ammonium phosphate ((NH,) PO,) is an important ingredient in many fertilizers. It can be made…

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Q: 5A. Sorbitol, used as a sweetener in some sugar-free foods, has a molecular mass of 182 u and a mass…

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Q: The compound 2,3−dimercaptopropanol (HSCH2CHSHCH2OH), commonly known as British anti-Lewisite (BAL),…

A: The molecular formula of BAL is : C3H8OS2 Molar mass of BAL = 124g. 1 mole =6.023x1023 atoms  mass%…

Q: Caffeine (MM = 194.2 g/mol) is a small molecule that many people ingest for its stimulant effects.…

A: Given molar mass of caffeine = 194.2 g/mol percentages C = 49.5℅ N = 28.9℅ H = 5.19℅ O = 16.5 ℅

Q: Nicotine, a poisonous compound found in tobacco leaves, is 74.0 % C, 8.65 % H, and 17.35% N. Its…

A: Given: Percentage of C in nicotine = 74.0 % Percentage of H in nicotine = 8.65 % Percentage of N in…

Q: a) What is the mass, in grams, of 5.000 moles of carbon atoms? b)What is the average mass, in…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: What is the mass, in kilograms, of an Avogadro’s number ofpeople, if the average mass of a person is…

A: Different units are used to express the volume and mass of substances such as grams, micrograms,…

Q: 212.01) el1.008) Fo-4lo. Potassium manganate is a dark green, crystalline substance whose…

A: The given data contains,       potassium =39.6%      manganese =27.9%      oxygen =32.5%

Q: A chemical is found to be 75.69% C, 8.80% H, and 15.51% O. What is the empirical formula?

A: Empirical formula of a substance shows the ratio of different elements present in a compound, which…

Q: Benzene and acetylene have the same empirical formula, CH. However, benzene has a molar mass of…

A:

Q: A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

A: Given, A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

Q: The composition of a compound was found to be 66.7% C, 25.9% N and 7.41% H by mass? What is the…

A: Empirical formula represnts number of atoms of various elements present in a molecule in simple…

Q: Be sure to answer all parts. Fermentation is a complex chemical process of wine making in which…

A: Intial Mass of glucose taking part in reaction =926.1 g Density of ethanol = 0.789g/ml Chemical…

Q: A compound that is composed of only carbon and hydrogen contains 85.7% C and 14.3% H by mass. What…

A: Given data : A compound that is composed of only carbon and hydrogen contains 85.7% C and 14.3% H by…

Q: Chlorophyll molecules are responsible for the green pigmentation of plants. Differing chemically…

A: Solution - According to the question - Given - Mass of 5 oxygen = 16 * 5 = 80 Mass of chlorophyll X…

Q: A combustion analysis is a technique to find the the empirical formula of compounds. In a combustion…

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Q: The empirical formula of a compound containing carbon, hydrogen and bromine is C₂H₄Br. The molar…

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Q: Imagine that all our balances displayed mass in units of slugs instead of grams. Would we still…

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Q: Combustion of a 0.9827-g sample of a compound containing only carbon, hydrogen, and oxygen produced…

A: Given, A compound containing only C, H and O mass of the sample of a compound = 0.9827 g mass of C…

Q: What coefficients would you need to balance the following equation, just put the coefficients in the…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".