Based on the solubility rules, which of the following will occur when solutions of CACO3 (aq) and NaCl(aq) are mixed? Select one: a. Na,CO, will precipitate; Cat2 and Cl are spectator ions b. CaCl, will precipitate; Na and CO3 2 are spectator ions O c. CaCO, will precipitate; Nat and Cl are spectator ions 2 O d. Cat2 and CO3 are spectator ions, and NaCl will precipitate

Q: A solution contains one or more of the following ions: Ag+, Ca2+,and Cu2+. When you add sodium…

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Q: MgSO4laq) + Li2S(aq) --> What one of the following species would appear in the molecular equation?…

A: • We need to predict the products of the reaction of MgSO4 and Li2S.    • Since, we know that MgSO4…

Q: 2 NaCl(aq)+Ba(OH), (aq) BACL, + 2 N2OH Identify the precipitate, or lack thereof, for the reaction.…

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Q: Based on the solubility rules, which of these processes will occur if solutions of CuSO4(aq) and…

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Q: 2. 19.32 mL of 0.500 M NaOH solution is required to exactly neutralize a 10.00 mL sample of vinegar.…

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Q: Based on the solubility rules, which of the following will occur when solutions of ZnSO4(aq) and…

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A: The solution forms a precipitate when it is insoluble in the solvent.

Q: 5.587 grams of Pb(NO3)2 are reacted with 5.587 grams of Na2S, and the resulting precipitate is…

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Q: A student analyzes a sample of rock that contains the element calcium (Ca). In the student's…

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Q: Consider the following chemical reaction. 3 Zn(C:H:O2)>(aq) + 2 NasPO:(aq) –→ 6 NaCaHsOz(aq) +…

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Q: Based on the solubility rules, which of the following will occur when solutions of ZNSO,(aq) and…

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Q: Based on the solubility rules, which of the following will occur when solutions of ZnSO4(aq) and…

A: From solubility rules no precipitate will form after the reaction of ZnSO4  and MgCl2.

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

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Q: 4. The reaction Pb(NO3)2(aq) + 2KI(aq) a. double-displacement reaction. b. synthesis reaction. C.…

A: The given reaction is, Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2 KNO3(aq)

Q: Which of the following will occur when solutions of Na,SO (aq) and CaCl,(aq) are mixed? I. A…

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

A: Given data,Volume of sample=250mL=0.250LMolarity of AgNO3=46mMMass of AgCl=4.4mg=0.0044g

Q: rock is to precipitate the phosphorus as MgNH4PO4, which is then heated to tum it into Mg2P2O7. What…

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Q: The solubility of nitrates of alkali metals in water is  C   a.  LiNO3< KNO3 < NaNO3 < FrNO3…

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Q: mixture contains Mg(NO₃)₂ and KBr. A 1.85 g sample of this mixture is dissolved in water and an…

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Q: Phosphate in wastewater samples can be precipitated out as Ca10(PO4)6(OH)2 (1,004.6 g/mol).…

A: Given that phosphate in wastewater samples can be precipitated out as Ca10PO46OH2.And municipal…

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

A: Given data,Volume of sample=200mLMolarity of AgNO3=77.0mMMass of AgCl=3.3mg

Q: You have a solution that is either CuCl2 (aq) or Cu(NO3)2 (aq).  You add some KOH (aq) and a solid…

A: Given: CuCl2 or Cu(NO3)2  is added to the aqueous KOH, a solid precipitate is formed.

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Q: Consider the reaction. 2 NaCl(aq)+Ba(OH),(aq) BaCl, + 2 NAOH Identify the precipitate, or lack…

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Q: 1. The iodide in a sample that also contained chloride was converted to iodate by treatment with an…

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Q: Which solution will form a precipitate when mixed with a solution of aqueous Na2CO3

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Q: The Ca in a 200.0-mL sample of natural water was determined by precipitating the cation as CaC,O4…

A: Mass of empty crucible ( A )= 26.6002 g  Mass of crucible + CaO ( B) = 26.7134 g    Mass of CaO =  B…

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Q: CrCl3(s) + AgNO3 (aq)  AgCl(s) + Cr(NO3)3(aq) A 0.810 g sample of impure CrCl3 was dissolved in…

A: Given data,Molarity of AgNO3=0.165MVolume of AgNO3=45.5mL=0.0455LMass of impure CrCl3=0.810g

Q: 2. 19.32 mL of 0.500 M NaOH solution is required to exactly neutralize a 10.00 mL sample of vinegar.…

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Q: If a solution of NaCl(aq) is mixed with a solution of Pb(NO3)2laq), which of the following…

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

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Q: Consider the following reaction:            Mg(s)    +      2HCl(aq)        →            MgCl2(aq)…

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Q: Based on the solubility rules, which of these processes will occur if solutions of CuSO4(aq) and…

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Q: A mixture contains Mg(NO3)2 and KBr. A 1.85 g sample of this mixture is dissolved in water and an…

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Q: Lead ions can be precipitated from solution with KCI according to the following reaction: Pb (ag) +…

A: Given data mass of KCl = 28.7 g mass of Pb2+ = 25.8 g Reaction : Pb2+ + 2 KCl → PbCl2 + 2 K+…

Q: The balanced equation for the reaction of aqueous Pb(ClO,), with aqueous NaI is Pb(CIO,),(aq) + 2…

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Q: The reaction H,SO, (aq)+Ba(OH), (aq) → BaS0,(s)+2H,0(1) is best classified as a(n) 9a. precipitation…

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Q: In the laboratory you are given the task of separating Ag* and Zn* ions in aqueous solution. For…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.