Suppose that in a gravimetric analysis, you forget to dry the filter crucibles before collecting precipitate. After filtering the product, you dry the product and crucible thoroughly before weighing them. Is the apparent mass of product always high or always low? Is the error in mass systematic or random?

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

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Q: Identify .It is the technique of separation and identification of chemical substances by a moving…

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Q: Are there any other suggestions

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Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

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Q: Why is it important always to use the same balance during the course of an experiment? What are the…

A: Let's focus on these two questions. 1)Use of same balance during the course of an experiment…

Q: Balance the chemical equation _mg (s) +_ HCI (aq)----->_MgCl2 (aq) + _H2 (g) Identify type of…

A: We have to tell about the type of reaction

Q: Write the balanced COMPLETE ionic equation for the reaction when aqueous aluminum nitrate and…

A: Ionic equation involves all the ions of the reactants along with the product and ions on the product…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given: Mass of silver chloride i.e. AgCl collected = 2.0 mg = 0.002 g                       (Since 1…

Q: A chemist adds 140.0 mL of a 0.514M aluminum sulfate (Al, (SO₂),) & solution to a reaction flask.…

A: Millimoles of aluminium sulfate =?

Q: A compound produced from the reaction between two substances (one solid and the other was gas ) and…

A: Reaction between solid and gas

Q: Balance the following chemical reaction. Enter the sum of the balanced coefficients as your answer.…

A: Balancing chemical equations makes sure each element in reactants and product sides are in an equal…

Q: In this reaction The mass of Aluminum would react with 119.25g of CuO is .... A.W: Al=27 , Cu=63.5 ,…

A: Answer: option a) 27 g  is the mass of the aluminium reacted.

Q: Write a balanced chemical equation, including physical state symbols, for the decomposition of solid…

A: Ideal gas are gas which have no intermolecular force present in them We will use the concept of…

Q: Enter a balanced equation for the reaction between aqueous lead(II) nitrite and aqueous potassium…

A: We have to write a balanced equation for the reaction between aqueous lead(II) nitrite and aqueous…

Q: A student carefully measures 1.069 g of an unknown brown copper chloride and dissolves it into…

A: Let the empirical formula of the copper chloride be CuClx. Copper chloride reacts with Zinc to form…

Q: Food products is ash for elemental analysis. Calculate the ash content of the sample if the residue…

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Q: Barium metal was quantitatively precipitated from a 1.52 g sample of BaCl2-2H2O. The mass of the…

A: Given: Mass of the sample BaCl2.2H2O =1.52g Mass of Barium collected = 0.844g

Q: Discuss at least two examples of some primary challenges of gravimetric analysis such as why it is…

A: Gravimetric analysis is a lab technique through which the amount of an analyte Or the analyzed ion…

Q: Write the balanced chemical equation for the chemical reaction that occurs when Sulfuric Acid is…

A: Precipitate does not dissolve in water so precipitate can not make ions.

Q: In the decomposition reaction,50.10 g of calcium chlorate was heated to produce calcium chloride and…

A: Calcium Chlorate is Ca(ClO3)2 Reaction: Ca(ClO3)2  --> CaCl2 (s)  + 3O2(g)

Q: Please don't provide handwritten solution ....

A: The balanced chemical equation for the reaction is:2H₂S(g) + 3 O₂(g) →2 H₂O(l) + 2 SO₂(g) According…

Q: spectator ions.

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Q: A. If the experiment produces 50g of products and the expected mass is 90g, the theoretical yield is…

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Q: A 21.5 g sample of nickel was treated with excess silver nitrate solution to produce silver metal…

A: Write the chemical equation for the given reaction,

Q: Differentiate between quantitative and qualitative chemical analysis with an example?

A: A question based on chemical analysis, which is to be accomplished.

Q: A 12.00 g sample of MgCl, was dissolved in water. 0.2500 mol of AgNO3 was required to precipitate…

A: Magnesium chloride reacts with silver nitrate to form a precipitate of silver chloride and a…

Q: Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts…

A: when aqueous nitric acid is fall with rain known as acid rain which is harmful to the environment.

Q: Writing and Balancing Chemical Equations 13. Sulfuric acid is a component of acid rain formed when…

A: Given,When gaseous sulfur dioxide reacts with gaseous oxygen and liquid water to form aqueous…

Q: A newly discovered element named cameroonium has the symbol Cm. What is oxidation number of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Write the formulas of the reactants and products - including the symbols for the state - (s), (l),…

A: 1) Decomposition of Limestone -  Limestone is calcium carbonate (CaCO3) which when heated to above…

Q: The fact that a reaction takes place when potassium hydroxide is added to a solution of nickel(II)…

A: When potassium hydroxide is added to a solution of nickel(II) ions, the nickel hydroxide is…

Q: The Haber process is used to industrially produce ammonia (NH3). Ammonia is the active ingredient in…

A: Percentage yield of NH3 =Practical amount of product x 100Theoretical amount of product  = 11,150 x…

Q: Date: Part B Data - Quantitative Analysis of Precipitation Reactions and Limiting Reactant Problem…

A: # Data Analysis: #1: Mass of Ba3(PO4)2(s) precipitated = 1.5563 g

Q: Chemical Reaction Coefficients Al(s) + Pb(NO3)2(aq) – Pb(s) + Al(NO3)3(aq) Chemical Reaction…

A: The answer of this question is given below

Q: What are the significance of actual and theoretical yield in stoichiometry?

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Q: Consider the reaction: Fe(s)+Cl2(g)→FeCl3(s) How many moles of chlorine gas react with 0.300 molmol…

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Q: A 23.4 g23.4 g sample of magnesium reacts with excess silver nitrate to produce silver metal and…

A: Given : Mass of magnesium metal i.e Mg taken = 23.4 g And the mass of final mixture of metals = 62.6…

Q: What are the types of errors (and their characteristics) in a chemical analysis?

A: There are different types of error which are recorded during chemical analysis  and they affect the…

Q: [Tutorial: Empirical formula) This question will walk you through the process of calculating the…

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Q: 3/5 Writing the net equation for a sequence of reactions The extraction of aluminum metal from the…

A: Question solved below.

Q: Large amounts of titanium metal are refined by reacting titanium(III) chloride solution with…

A: We will solve this Problem in the following step ; First we will write balanced chemical reaction…

Q: many grams of silver nitrate must react to give 1.00 g of Ag? Cu(s)+2A9NO3(aq)→Cu(NO3),(aq)+2Ag(s)…

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Q: packets of the anhydrous form of a hydrate are sometimes used to keep cellars from being damp. Is…

A: The anhydrous crystals will absorb water from the air, gradually turning the anhydrous compound into…

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: (1.0 mol/L) (10-3L/1 ml) (52.27 g/mol)  -> 1 L = 103 ml  -> molar mass = 52.27 g/mol

Q: "Carbon dioxide gas and liquid water are produced when gaseous carbon tetrahydride reacts with…

A: Combustion reaction is a type of reaction in which a compound reacts with oxygen to form the desired…