How could you separate zinc chloride from SiO2?

Q: Methylhydrazine, N2H3CH31l2, is used with the oxidizer dinitrogen tetroxide, N2O41l2, to power the…

A: Methylhydrazine, N2H3CH3 (l), is reacted with dinitrogen tetroxide, N2O4(l), to produce N2, CO2, and…

Q: What is the mass percentage of Cl in hydrochlorothiazide, C₇H₈ClN₃O₄S₂?

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Q: A sample of an iron alloy contains 90.2 g Fe, 2.15 g C, and 1.01 g Cr. Calculate the percent by mass…

A: Total mass of the alloy = mass of Fe + mass of C + mass of Cr = 90.2 + 2.15 + 1.01 = 93.36 g

Q: Aluminum nitrate + potassium bromide

A: We can expect aluminium bromide and potassium nitrate as the displacement products.

Q: Determine the mass percent of carbon in Fe(C2H3O2)3.

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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: A crystal of the mineral pharmacosiderite, Fe3(AsO4)2(OH)3•5H2O, contains what percent of  oxygen by…

A: The molecular formula of the crystal pharmacosiderite is = Fe3(AsO4)2(OH)3•5H2O One molecule of the…

Q: Even though lead is toxic, lead compounds were used in ancient times as white pigments in cosmetics.…

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Q: Would it be possible to determine the percentage of oxygen in NaCIO3?

A: The given compound is = NaCIO3 The percent of oxygen in this compound is =?

Q: A sample of NaCr(SO₂)₂.10H₂O was heated in a crucible, yielding 1.27 g of the corresponding…

A: The molar mass of NaCr(SO4)2 is = 267 g/mol The molar mass of H2O is = 18.0 g The mass of NaCr(SO4)2…

Q: Calculate the mass of scheelite (CaWO4) that contains a million (1.000*10^6) oxygen atoms

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Q: What is the mass percent of P in H3PO4? Show your calculations please.

A: Percent mass of an element in a compound can be calculated by using the following formula:

Q: Which of the following metals is least chemically reactive?  potassium  sodium  iron  magnesium…

A: The reactivity of s block metals are very high due to presence of just either 1 or 2 electrons in…

Q: The density of solid Cr is 7.15 g/cm3. How many atoms are present per cubic centemeter of Cr?

A: Mass = Volume x density Number of moles = Mass/molar mass Number of molecules = 6.0224 x 1023 x…

Q: What does n= if, 3.764 g CuSO4 · nH2O yields 1.585 g of anhydrous Cu(OH)2 after treatment with…

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Q: How many grams of oxygen are there in 53.16 g of Ca(C2H3O2)2?

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Q: In an experiment, 34.8243g of copper (II) nitrate hydrate, Cu(NO3)2•zH2O was heated to a constant…

A: Given, mass of copper (II) nitrate hydrate is 34.8243g and when heated the mass is 27.0351g.

Q: How many metal atoms are present in the compound represented as Al203? O 1 O 2 O 3 O 5

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Q: chlorine

A: according to the chemical reaction equation,  4moles of Cl2 react with = 1mol of CS2  1mol of Cl2…

Q: Balance the following equation: AICI3(s) + F2(g) > AIF3(s) + Cl2(g)

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Q: Complete the Balanced Equation Mg+Zn(NO3)2=

A: The given reaction is a single displacement reaction. Single displacement: one atom or a group of…

Q: Fill in the blanks.

A: The balanced chemical equation for this reaction is: NH3 + Br2 + H2O → NH4Br + HOBrNH3 is…

Q: White phosphorus (P4) is used to produce phosphorus oxides, such as P4O10. How many kilograms of…

A:

Q: Rank the following in DECREASING order according to the mass percent of Cl: PCl5 SOCl2 Cl2O6…

A: Answer: To solve this question, calculate the mass% of chlorine in 1 mole of each compound mentioned…

Q: An organic compound was found to contain only C, H, and C1. When a 1.50 g sample of the compound was…

A: To given solution-Explanation:Complete solution.

Q: Give the name and formula of the compound formed from the following elements: (a) sodium and…

A: the compound is formed when two or more chemical elements are bonds together by a chemical bond. For…

Q: D4), and siderite (FECO3)

A: Mass of  element in compound= mass of element×100÷mass of compund Fe3O4 have higest quantity of Fe…

Q: 2. Balance the following equations by supplying the lowest whole numbers for w, x, y, and z: (a) w…

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: Elemental chlorine exists in nature as diatomic molecules of Cl2. Could the process you used to…

A: Chlorine is a halogen with atomic number 17. It has one unpaired electron in its outermost orbital.…

Q: Br CF3CH,OH ?

A: This is an example of nucleophilic substitution reaction (SN¹). in first step,  loss of bromide ion…

Q: 2 V2O5  +  5 Si →  4 V +  5 SiO2 Given the above balanced equation, calculate the number of grams…

A: Given , Mass of V metal = 476 g

Q: What, specifically, is CaCl2?

A: Chemical formula: The formula that bears the symbols of the elements that make a compound along with…

Q: Balance the following chemical equation (if necessary):

A: