Consider a 134.5 g sample of the compound manganese(IV) perchlorate. 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: How many carbon atoms are there in 11.4 kg sample of carbon

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Q: The enthalpy change that is observed during a chemical reaction is denoted byAH which equals:…

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Q: Write base hydrolysis reactions. The value of K for hydroxylamine, NH₂OH, is 9.1x10-⁹. Write the…

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Q: What is the weight, in pounds, of 5 pints of nitric acid?

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Q: 5. Explain, in detail, why the density of a substance is independent of sample size?

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Q: 1.2×10−2 mol ethanol Express your answer using two significant figures.

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Q: 2. A 0.1864 g sample of an unknown Ni(II) salt was put into solution and properly treated to form…

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Q: 2. Br CI AICI,

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Q: 75.1 g C2H6O in 2.49 L of solution         Molarity = ? M

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Q: of Question 3 Recall the last time you bought a hot drink that was served in a Styrofoam cup,…

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Q: Which of the following description(s) are improperly used related to the process of filtration?…

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Q: 0.49 mol of LiNO3 in 6.04 L of solution molarity= ? M

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Q: What volume of H2 gas, measured at 57˚C and 850 torr, can be obtained by reacting 10.00 g zinc metal…

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Q: 3A(g) + 1B(g) ⇄ 1C(g) 7.1 mol of A and 8.2 mol of B are put in a reactor with a volume of 2.42 L.…

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Q: A(g) ⇄ 2B(g) Initially, we have 1.583 mol/L of A. What is the concentration of A at equilibrium if…

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Q: What is the pOH of an aqueous solution of 0.210 M hydroiodic acid? pOH =

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Q: What does it mean forward or backward and does the k=5.0×10^23 even play a role in this

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Q: Infants’ MYLICON antigas drops contain 2 g of simethicone in a 30-mL container. (a) H ow many…

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Q: What are the two products of this reaction?

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Q: Consider the following reaction: 2HI(g) H₂(g) + 1₂ (9) An equilibrium mixture of the three gases in…

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Q: Identify the absolute configuration of the chirality centers in each of the following compounds as R…

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Q: Reaction of silver nitrate with potassium chromate. Volume (ml) Molarity (M) Color of Solution…

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Q: Use the relationship between K₂ and K. The substance hypochlorous acid, HCIO, is a weak acid (K₂=…

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Q: A 5.00 mol sample of an ideal gas is compressed irreversibly and isothermally m an initial volume of…

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Q: Calculate the pH of a 0.0195 M aqueous solution of ethylamine (C2H5NH2, Ko = 4.3x10-4). pH =

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Q: 3. When a solution containing silver ions is mixed with another solution containing chloride ions, a…

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Q: How many moles of water vapor are produced by the combustion of 8 moles of methane? The chemical…

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Q: What reagents can be used to accomplish the following conversion? _OH ? Select one: O A. 1. H₂SO4;…

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Q: s. Devise a simple chemical reaction that will distinguish between the following pairs of molecules:…

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

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Q: Consider the following reaction: 2Na+2HCI→2NaCl+H2 What is the limiting reactant if you begin with…

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Q: To what volume should you dilute 30 mL of a 12 M H2SO4 solution to obtain a 0.17 M H2SO4 solution?…

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Q: Identify the absolute configuration of the chirality centers in each of the following compounds as R…

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Q: How do you determine the Van Hoffs factor (i) for various molecules ?

A: Please find the below attachment.   Thank you

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".