If some of the magnesium ribbon did not react, would the calculated percentage of Mg in the product be too high or too low?

Q: Titanium and vanadium form colored complexes when treated with hydrogen peroxide in 1 M sulfuric…

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: 2. Write the balanced chemical equation between Mg(s) and HC1(ag). Mg + 2HCI = MgCl, + H2 3. Find…

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Q: What is the maximum mass of gallium bromide that can be dorm when reacting 41 g of gallium with 38 g…

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Q: Determine the percent yield for the reaction between 98.7 g of Sb2S3 and excess oxygen if 72.4 g of…

A: Interpretation: The percent yield for the reaction between 98.7 g of Sb2S3 and excess oxygen if 72.4…

Q: Answer questions 2, 3 and 4

A: Mole ratio depends upon the number  of moles of Reactant  and Products .

Q: 5. Write the chemical equation describing the reaction that will occur when aqueous calcium chloride…

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Q: What mass of dry precipitate is collected when excess sodium phosphate is mixed with 264.0ml of…

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Q: 1. What is the balanced form of the following equation? Br2 + S2O3²- + H2O → Br¹- + SO4²- + H+

A: Since, In redox reaction, Oxidation and reduction reaction both takes place simultaneously.

Q: How many grams of calcium hydroxide are needed to react completely with 58.1 g of hydrochloric acid

A: Given information: Mass of hydrochloric acid = 58.1 g

Q: If 1.00 g of a mixture of AgCl and AgBr contains 0.6635 g of Ag, what is the percentage of Br?

A: Given that : Mass of mixture of AgCl and AgBr = 1.00g Mass of Ag = 0.6635 g Percentage of Br = ?

Q: The equiVatent weight of Naz Pou is ? 98 54,6 B 32,6

A: Equivalent weight = Molar weight / valency factor  For salt valency factor is either total cationic…

Q: What is the percent of chloride ion in a sample if 2.500 g of the sample produces 1.750 g of AgCl…

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Q: What mass of HF is produced from the reaction of 0.81 g of H2 with excess F2?

A: H2 + F2 ==> 2HF ... balanced equation Since the question is asking us to find the mass of product…

Q: How many grams of Cu would be needed to react with 2.0 mol HNO3

A: Given,Moles of HNO3 = 2.0 moleRequired,                    Grams of Cu that would react with 2.0…

Q: What mass of KCl can be produced if 30.0 grams of Cl2 reacts with excess KBr?

A: Ans 63g of KCl

Q: A student made malachite for his roommate's paint for his art class. This student used different…

A: Given that :Theoretical yield of malachite = 0.4827 gCost of starting materials = $ 0.0370To be…

Q: Pb(SO,), + 2Zn → 2ZnSO̟+Pb If 0.279 mol of zinc reacts with excess lead(IV) sulfate, how many grams…

A: To solve this problem we will use the given balanced chemical equation to find the mole of zinc…

Q: Why do different solutions form different colored precipitates?

A: The different solution forms different colors of the precipitate. Generally, transition metal…

Q: How many grams of gallium chloride would be produced from 177 g hydrochloric acid? 2Ga + 6HCl ⟶…

A: The given reaction is, 2Ga + 6HCl ⟶ 2GaCl3 + 3H2 To find, the amount of Ga formed from 177 g…

Q: isn't it that moles of MgCl2 is 1/2 x moles AgNO3 based on stoichiometry

A: Using the balanced chemical equation, percentage of MgCl2 can be calculated.  Moles of MgCl2= 1/2…

Q: Calculate the number of g of CHI, produced by mixing 190 g I, with excess CH

A: The answer to the following question is given as -

Q: Complete the following table with chemical formula and name:

A: The given table is,

Q: What is the coefficient for O2 when this equation is balanced with the lowest whole number…

A: ⊙Given equation is :-         C3H7OH + O2  →CO2+H2O —IAbove equation is the combination…

Q: calcium iodide + chlroine --> write formula no balance

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Q: When reacting 7.0 mol of N2 with 19 mol of H2, how many moles of ammonia NH3 can be produced?

A: Consider the reaction of N2 with H2 to give ammonia NH3 as; N2 + 3 H2 → 2 NH3 Given information is…

Q: Assume that you used 1.20 ml acetophenone and 1.40 ml benzaldehyde, calculate the theoretical yield.…

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Q: How will the relative number of moles of Mg and O be affected if the following procedural errors are…

A: a. If the crucible is not brought to constant mass, meaning that it has some additional mass to…

Q: In the analysis of NHs a 0.250 gof the nickel sample was used and found to contain 0.00515 mole of…

A: First Convert mole into mass by Multiplying molar mass  MOLAR mass of NH3= 17g/mol Then for percent=…

Q: 2. Which of the following chemical equations is balanced A. C3H8+ O2 -> CO2 + H2O B. C3H8+ 02-> 3…

A: Given,The reaction equations are:A.         C3H8   +    O2            CO2 +  H2OB.         C3H8   +…

Q: What is the maximum mass of gallium bromide that can be formed when reacting 41g of gallium with 38g…

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Q: Sulfanilic acid used 25g, Sodium carbonate used 15.2g, Sodium nitrate used 9.94g, 6M HCI used 72 ml,…

A: Sulfanilic acid(C6H7NO3S) reacts with Dimethyl aniline(C8H11N) in the presence of sodium carbonate,…

Q: 1.) If I mixed 50g of aluminum sulphate and 50g of calcium hydroxide, which is the limiting reagent?…

A: Hello. Since the question contains multiple parts only the first part is solved. In case the…

Q: What is the experimental yield (in g of precipitate) when 15.5 mL of a 0.7 M solution of iron(III)…

A: We have 15.5 ml of 0.7 M of FeCl3, 15.8 mL of 0.701 M of Pb(NO3)2 . We have percentage yield as…

Q: How many grams of NaCl are required to react if you to produced 50.0g PbCl2?

A: Mass of PbCl2 = 50 gMolar mass of PbCl2 = 278 g/moleMoles of PbCl2 = Mass of PbCl2 Molar mass of…

Q: What is the coefficient for O2 when it is balanced? C6H5CH3(I) + O2(g) -> CO2(g) + H2O(g)

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Q: Which of the following equations is not balanced? Cu + 2AGNO3 Cu(NO3)2 + 2Ag O a. Caco3 Cao + CO2…

A: When there is an equal number of atoms for each element on the reactant and product side involved…

Q: How many grams of the borate are formed when 15.0 grams of aluminum react with excess bromic acid?

A: The reaction between HBrO3 and Al is :  2Al + 6HBrO3 = 2Al(BrO3)3 + 3H2  So, from the reaction it is…

Q: What are the coefficients for this reaction when it is balanced correctly? (Remember when there is…

A: given reaction, H2(g) + O2(g) + C → H2CO(g)

Q: How many molecules of HCl could be produced if 6 moles of hydrogen gas were mixed with 4 moles of…

A: Hydrogen and chlorine gas react with each other to form hydrogen chloride gas. The equation for the…

Q: An excess of Na₂CO3 in Solution is added to a Solution Containing 17,13 g CaCl₂. performing the…

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Q: What is the experimental yield (in g of precipitate) when 19.7 mL of a 0.6 M solution of iron (III)…

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Q: HF + SIO₂ → H₂SiF + H₂O Write the balanced reaction in the space below. balanced reaction: How much…

A: Given  Equation =                    HF + SiO2 --------> H2SiF6 + H2O  Moles of HF = 3.00 moles…

Q: For Questions 20-24 consider the following scenario: A 0.8390 g of an unknown sample containing…

A: Given data, Mass of unknown sample=0.8390gMass of filter paper+precipitate=3.2174gMass of filter…