In the un-balanced reaction: Na2SiO3(s) + HF(aq) → H2SiF6(aq) + NaF(aq) + H2O(l) a) What mass of NaF forms when 0.328 mol of HF react with excess Na2SiO3?

Q: when 2.876g of a certain metal oxide is roasted in air, 2.368g of metal oxide is formed. if the…

A: In roasting, metal sulfide is converted into metal oxide. When 2.876 g of metal sulfide is roasted…

Q: CaCO3 (s) + 2 HCl (aq) --> CaCl2 (aq) + H2O (l) + CO2 (g) Based on the reaction above, how many…

A: The balanced chemical equation is CaCO3 (s) + 2 HCl (aq) --> CaCl2 (aq) + H2O (l) + CO2 (g) From…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: The reaction is – MnO2s + 4HClaq →MnCl2aq + 2H2Ol +Cl2g

Q: What is the maximum amount of aspirin if 1.428 g of salicylic acid are reacted with 0.793 g of…

A: Salicylic acid reacts with acetic anhydride to produce aspirin.

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: In a car engine, gasoline (represented by C₈H₁₈) does notburn completely, and some CO, a toxic…

A: (a)

Q: When perchloric acid (HCIO4) reacts with tetraphosphorus decaoxide, phosphoric acid and dichlorine…

A: “Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: The given reaction is ,                        MnO2(s)+4HCl(aq)⟶MnCl2(aq)+2H2O(l)+Cl2(g) Information…

Q: HCl + Na2S --> H2S + NaCl is given. According to this reaction, if 5 moles of hydrochloric acid…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,0,) and acetic anhydride…

A: % yield =         = ( Actual yield ÷ Theoretical yield)× 100% Molecular weight of salicylic acid =…

Q: One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide…

A: Ans: Rh2 (SO4)3 (aq) + 6 NaOH (aq) →2Rh(OH)3(s) +3Na2SO4 Mass  of Rh2 (SO4)3 = 8.03g  Molan Mass of…

Q: One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide…

A:

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given valuesVolume of chlorine to be obtained = 115mlTemperature = 25°C                        =…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

A: The given equation is as follows. C7H6O3+C4H6O3 → C9H8O4+C2H4O2Salicylic    acetic…

Q: 12.00 g of a potassium hydroxide, KOH solution is mixed with 40.00 g of lead (II) nitrate, Pb(NO3)2…

A:

Q: A precipitation reaction occurs when 755 mL of 0.981 M Pb(NO,), reacts with 339 mL of 0.901 M KI, as…

A: In a balanced chemical reaction, when there are 2 or more then 2 reactants are present then the…

Q: 2) Hydrogen peroxide (H2O2) reacts with the permanganate ion (MnO4) in acidic solution according to…

A: a.

Q: The reaction for photosynthesis, which occurs in plants, is used to convert carbon dioxide and water…

A: Photosynthesis Reaction :-  CO2 (g) + 6H2O (l) ⟶ 6O2 (g) + C6H12O6 (aq) 4.8 moles of CO2 and excess…

Q: Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the…

A: (a)

Q: 4) A 11.31 g sample of a competitor's "SonicBloom" fertilizer is analyzed for its phosphorus content…

A: #4(a): Given the mass of fertilizer sample taken = 11.31 g Mass of the P containing precipitate,…

Q: What is the maximum amount aspirin if 0.647 g of salicylic acid are reacted with 1.148 g of acetic…

A:

Q: Aspirin, C₉H₆O₄, is prepared by reacting salicylic acid, C₇H₆O₃, with acetic anhydride, C₄H₆O₃, in…

A:

Q: A neutralization reaction hasthe following unbalanced chemical equation: ? H,PO, (aq) + ? Mg(OH)2…

A:

Q: How many grams of AgCI will be formed when 60 ml. of 0.500 MAGNO, is completely reacted according to…

A: Given: Volume of AgNO3= 60 mL = 60×10-3 L Concentration of AgNO3 = 0.500 M Molar mass of AgCl =…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,0,) and acetic anhydride…

A: Given,

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

A:

Q: b To make NaTcO4, the metal is dissolved in nitric acid 7 HNO3 (aq) + Tc(s) → HTCO4(aq) + 7 NO2(g) +…

A: The question is based on the concept of chemical reactions. we have to write chemical equation for…

Q: What quantity in moles of precipitate will be formed when 45.6 mL of 0.550 M AgNO3 is reacted with…

A:

Q: n the textile industry, chlorine is used to bleach fabrics. Any of the toxic chlorine hat remains…

A: Given values -> Weight of Na2S2O3 = 146.66kg =146660gram Weight of Cl2 = 42.09 kg = 42090gram

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: According to ideal gas law, PV = nRT where P = pressure in atm  V = volume in L n = moles R = gas…

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

A: Given: The given reaction is, Volume of sample of ground water = 200 mL Concentration of silver…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

A: From the reaction it is clear that 1 mole salicylic acid reacts with 1 mole acetic anhydride to give…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

A: Consider the balanced equation is as follows; Reaction:       C7H6O3     +    C4H6O3     →…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given;

Q: Potassium acid phthalate, KHC8H4O4 (molar mass = 204.22 g/mol), is used to standardize solutions of…

A: We have to predict the Molarity of the base solution.

Q: Calcium carbide, CaC2, is an important preliminary chemical for industries producing synthetic…

A: Given :  CaO + 3 C → CaC2 + CO  amount of C = 10.2 g  To be calculated :  amount of CaC2 (in g)

Q: 6. Copper(1) iodide, Cul, is not stable enough to last long in storage, so it is generally made just…

A: 2 CuSO4  + 4HI   --------------> 2CuI   +  2 H2SO4  +  I2  Molecular mass of CuSO4 = 160 g…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,0,) and acetic anhydride…

A: The reaction is as follows: C7H6O3 + C4H6O3 -----------> C9H8O4 + C2H4O2. The volume of C4H6O3 =…

Q: To be able to produce a small amount of CO2 in the laboratory, 35 mL of 0.11 M Na2C2O4 and 20 mL of…

A:

Q: Gold can be extracted from gold-bearing ores by treating the ore with sodium cyanide, NaCN, in the…

A: The mass of Au present in 1.00 x 103 kg of ore is calculated as,                       Mole Au that…

Q: Lead(II) carbonate, also called "white lead," was formerly used as a pigment in white paints.…

A: Lead acetate reacts with water and carbon dioxide to form lead carbonate and acetic acid. The…

Q: 4) Aluminum chips are sometimes added to sodium hydroxide-based drain cleaners because they react to…

A: We have to balance the given reaction

Q: 2. In the laboratory, O2(g) can be obtained from the following thermal decomposition reaction of…

A: Percentage of KclO3=(mass of kclo3/total mass)×100 In this problem ,0.096gm converted to kcl and…

Q: In a reaction, 0.77 kg of V,O, are reacted with 0.88 kg of Ca as the following chemical Equation:…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Addition of NaOH to a Cu(NO3)2 solution results in the precipitation of Cu(OH)2.               2…

A:

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: Given, Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with…

Q: Morphine (C1„H19NO3) is a painkiller in the opiate family. A sample of morphine was discovered that…

A: Balanced Combustion reaction of morphine :  4C17H19NO3 + 85O2 ....> 68CO2 + 38H2O + 4NO2 Mass of…

Q: Aspirin can be synthesized from salicylic acid and acetic anhydride in the presence of catalytic…

A:

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".