The hydrate was heated too strongly and/or too long . . . . decomposition of the anhydrous salt occurred.  How would the calculated number of water molecules (the "x" in "•xH2O") be affected?

Q: A student is given a 1.8686 g of an unknown copper compound. Following isolation by displacement by…

A: Given: Mass of Cu = 0.3685 g Mass of compound = 1.8686 g

Q: 2.350g of CuSO4·nH2O was heated to produce 1.502 g of anhydrous CuSO4.   Calculate the moles of…

A: CuSO4·nH2O (s) + Heat →CuSO4 (s) + nH2O  Mass of hydrate (CuSO4·nH2O), mbefore heating = 2.350 g…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

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Q: a) b) Br OH OH NHPh CI OH +E

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: 2.) 350 g of Calcium Chromate reacts with excess Hydrogen Peroxide. Write a balanced chemical…

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Q: What is the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O)…

A: Molarity = (Mass/molar mass)(1000/V(ml)).Mass = 9.9g.Molar mass = 244.26g/mol.Volume = 151.0ml.

Q: Calcium oxide (CaO; also known as lime) is produced by the thermal decomposition of limestone. When…

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Q: 2. How many grams of water will be lost when 8.000 g of YBr3'9H2O is heated?

A: Amount of YBr3•9H2O = 8 g  Amount of water lost after heating = ?

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

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Q: Is the decomposition of CuSO4· 5 H2O a physical or a chemical change? Why?

A: The copper sulfate penthydrate dehydrates to form the clear, anhydrous copper sulfate.

Q: An impure sample of zinc (Zn) is treated with an excess of sulphuric acid (H2SO4) to form zinc…

A: a)  Balanced Chemical Equation explains the relatable stochiometry of the given molecules in the…

Q: 17. Given the reaction Ss(g) + 802 8SO2(g), the number of moles of sulfur required to form one mole…

A: In the given reaction, one mole of S reacts with eight moles of oxygen to form eight moles of sulfur…

Q: In an accident, a solution containing 745 grams of nitric acid was spilled. To clean it up 900 grams…

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Q: Imagine that you are given 0.2500 g of a sample of copper(II) sulfate pentahydrate (CuSO4 • 5 H2O).…

A: The mass of copper(II) sulfate pentahydrate (CuSO4 • 5 H2O) sample is = 0.2500 g The mass of…

Q: A 249.3-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A: Given the mass of groundwater sample taken for analysis = 249.3 g  mass of Ca2P2O7 precipitate…

Q: You are trapped on a spaceship. You have plent of oxygen, but no water. Though, you do have many…

A: The extraction of water from hydrated crystals can be done by heating the compound in an open system…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: The question is based on the concept of solutions. Mass percentage is a method of expressing…

Q: A sample of soda-lime glass for tableware is analyzed and found to contain the following percentages…

A: Given- % by mass of oxides SiO2 = 72.4% Na2O =18.1% CaO = 8.1% Al2O3 =1.0% MgO = 0.2% BaO = 0.2%…

Q: suppose a student reacts 1.57 g Ca with O2 gas. In his/her calculations however S/he mistakenly…

A: Theoretical yield is defined as the amount of product formed assuming the reaction efficiency to be…

Q: Be sure to answer all parts. Nitroglycerin (C;H;N3O9) is a powerful explosive. Its decomposition may…

A: The decomposition reaction of nitroglycerine is as follows: 4C3H5N3O9 → 6N2 + 12CO2 + 10 H2O + O2…

Q: What mass of HF would be produced from 4.6L of f2 gas w

A: Mass of HF produced from 4.6L of f2 gas would be given by

Q: A certain fertilizer is advertised to contain 10.5% K2O. What percentage of the fertilizer is…

A: The molar mass of any substance is the mass of 1 mole of that substance. The unit of molar mass is…

Q: 2. A chemist analyzed a sample of a compound that was known to contain potassium, manganese, and…

A: Percentage composition of a given compound is depicted as ratio of the amount of each element to…

Q: mass

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