Calculate the mass % of "S" in CS2. Round-off your answer to two significant figures and enter the answer below, without any units.   How many grams of "S" would be present in a 25 gram sample of CS2? Round-off your answer to two significant figures and enter the answer below, without any units

Q: Liquid octane (CH₂(CH₂) CH₂ will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide…

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Q: Aspartame is an artificial sweetener that is 160 times sweeter than a(table sugar) when dissolved in…

A: Aspartame is 160 times sweeter than sugar and it is used as artificial sweetening agents. Molecular…

Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Given : Mass of HCl = 24 g  Mass of NaOH = 15.6 g

Q: When you perform the following operations, how many significant figures should your answer have?…

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Q: Determine the mass of oxygen in a 3.8-g sample of Al2(SO4)3. Express your answer to two significant…

A: Given, Amount of sample is 3.8 g. Molar mass of Al2(SO4)3 is:

Q: You add 297 grams of NaCl to a container and then you add 898 grams of water to that same container.…

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Q: The amino acid methionine, which is essential in human diets, has the molecular formula C5H₁1 NO₂S.…

A: The objective of this question is to find out the mass of oxygen in a given mass of methionine. To…

Q: Enter your answer in the provided box. When potassium cyanide (KCN) reacts with acids, a deadly…

A: The question is based on concept of reaction stoichiometry. we have been given a reaction and mass…

Q: If I start with 17.88 moles of oxygen, how many grams of CO2 can be made? 2 C3H18 + 25 O2 16 CO2 +…

A: Here we have to apply basic maths and from that we can obtain the answer Mass of 16 moles of CO2 is…

Q: Gaseous methane (CH4) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

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Q: Calculate the mass in grams of each sample 3.9×1022 SO2 molecules to g Express your answer using…

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Q: What is the mass in grams of 4.57 × 10²⁵ molecules of Cl₂? I get the write and but the wrong number…

A: Mole concept: The number of molecules in one mole of chlorine is equal to the Avogadro number. The…

Q: Select all quantities whose values are exact (contains infinite number of significant figures).…

A: A number that showing perfect exactly value  , it contain infinite number of significant figure.

Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: How many atoms are contained in 4.1 g of carbon? How can you round this answer to 2 significant…

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of carbon atoms weigh 12 g.

Q: Liquid octane (CH3(CH2)6CH3) will react with gaseous oxygen O2 to produce gaseous carbon dioxide…

A: The balanced reaction between octane and oxygen is written below.2C8H18+25O2 → 16CO2+18H2OThe mass,…

Q: 1) Provide at least two problems(provide specific examples)with their process and calculations. 2)…

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Q: 9.43×1019 CH4CH4 molecules Express your answer using three significant figures.   Calculate the mass…

A: We know, 1mole consists of 6.022x1023 quantity. Molar mass of CH4=16.04g/mol We will convert number…

Q: Consider the following balanced chemical reaction: 4 NH3 +3 02 How many grams of N₂ can be produced…

A: We will first find the limiting reagent and then using the limiting reagent we will calculate the…

Q: A sample of ammonium carbonate (MM = 96.09 g/mol) was found to contain 7.6 x 1023 AMU of N. How many…

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Q: A chemist adds 135.0 mL of a 1.0M aluminum chloride (AICI3) solution to a reaction flask. Calculate…

A: Given,molarity of AlCl3 = 1.0 MVolume of AlCl3 solution = 135.0 mL

Q: Calculate the number of grams of sodium in 1.20 gg of each sodium-containing food additive.…

A: Given,             1.20 g of sodium benzoate, NaC7H5O2Required,                  The number of…

Q: Calculate the number of grams of sodium in 2.20 g of each sodium-containing food additive.

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Q: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: The following equation represents the reaction between aluminum (Al) and bromine (Br2) to produce…

A: Aluminium reacts with bromine to form aluminium bromide. The equation for the balanced chemical…

Q: The chemical formula for propane is: CH;CH,CH3 Calculate the molar mass of propane. Round your…

A: A chemical compound is formed when two or more elements are combined together and the molar mass of…

Q: A molecular compound has the following empirical formula:  CH2O.  The molar mass of the empirical…

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Q: What is the amount of Ne in moles in a 355 gram sample of Ne? (Molar mass of neon = 20.18 g/mol)…

A: Given   mass of Ne            = 355 gram  Molar mass of Ne  = 20.18 gram/mole  Number of mole of Ne…

Q: Enter your answer in the provided box. Consider the combustion of carbon monoxide (CO) in oxygen…

A: Given: 2CO(g) + O2(g) -----> 2CO2(g)

Q: The chemical formula for calcium hydroxide is: Ca(он), Calculate the molar mass of calcium…

A: The mass of one mole of a substance in grams is callled its molar mass. Units of molar mass are g…

Q: What is the mass percent of phosphorus in P5O2?

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Q: Na2C6H6O7Na2C6H6O7 (sodium hydrogen citrate) Express the mass of sodium to three significant…

A: The question is based on mole concept. we need to calculate mass of sodium present in the given…

Q: Calculate the molar mass of a compound if 0.393 mole of it has a mass of 252.0 g. Be sure your…

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

A: Chemical reaction C6H12O6 → 2C2H5OH + 2CO2 Amount of glucose = 840.9 g Molar mass of glucose =…

Q: In the past, laughing gas, N20, was given to patients before medical procedures because it slows…

A: In order to calculate number moles we need to calculate molar mass of NO2

Q: The chemical formula for hydrogen bromide is HBr. A chemist measured the amount of hydrogen bromide…

A: Here mass of hydrogen bromide (HBr) is given. We have to convert mass to number of moles. Mass and…

Q: Express the result of each mathematical operation to the proper number of significant figures and…

A: a) The calculation is as follows: In the starting numbers, the minimum number of the significant…

Q: 23.0 g of Z2 are mixed with excess X2.  How many grams of product are produced? 2 X2  +  3 Z2   →…

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Q: 21.1 g O2 20.5 g C8H10 Express the answers in molecules to three significant figures

A: Given data 21.1 g O2 20.5 g C8H10 The number of molecules present in the given species are

Q: How many atoms are there in each of the following substances? 1.88 g Bi Express your answer using…

A: Calculate number of atoms in each element given--

Q: Calculate the mass in grams of each sample 4.8×1025 O3 molecules to g Express your answer using two…

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Q: 4.8×1025 O3O3 molecules Express your answer using two significant figures.   Calculate the mass in…

A: Check the relation for molecules to moles and then convert that moles into the mass.

Q: 3.7 x 1021 water molecules has a mass of _____ grams. Keep four decimal places A drop of water has…

A: Consider some important relations is as follows; 1 mol = 6.022×1023 molecules…

Q: How many grams of product can be made from 75.00 grams of phosphorus? Express your answer with the…

A: The given reaction is 4P(s) + 5O2(g) 2P2O5(s).The mass of phosphorus is 75.00 g.We have to calculate…

Q: A chardonnay wine is 13.5 percent by mass alcohol. If we consume 24 fluid oz of wine, and the…

A: Percent by mass alcohol = 13.5 % Volume of wine = 24 oz 1 oz = 29.57 mL 24 oz = 709.76 mL or 0.70976…

Q: The molecular formula for potassium hydrogen phthalate (abbreviated KHP) is C3H5O4K. What is the…

A: Given :- KHP  Formula = C8H5O4K  To calculate :- It's molar mass

Q: Calculate the mass in grams of each sample 9.65×1019 CH4 molecules to g Express your answer using…

A: We will convert this to mole to calculate the mass.  We know  1mole = 6.022 x 1023molecules.  the…