Potassium cyanide reacts with acids to produce hydrogen cyanide gas via the following reaction: ???(??) + ???(??) → ???(?) + ???(?) If 0.150 g of potassium cyanide reacts with an excess of HCl (i.e., enough HCl to completely react away all of the KCN), how many grams of hydrogen cyanide gas can theoretically be produced?

Q: If 1.15 x 10-4 moles of IO3- required 13.96 ml of S2O32- to completely react, what is the molarity…

A: Molarity of a solution is defined as the strength of a solution expressed as the ratio of number of…

Q: 5. How many moles of SO2 are required to convert 6.8 g of H2S according to the following reaction?

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Q: For the reaction З КОН + Н, РО, — К, РО, + 3Н,О 4 4 how many grams of potassium phosphate, K3PO4,…

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Q: When 150 mL of 0.125 M lead ions are mixed with 350 mL of 0.175 M chloride ions, how much is the…

A: Given information,      150 mL of 0.125 M lead ions are mixed with 350 mL of 0.175 M chloride ions

Q: Hydrolysis of the compound B5H9 forms boric acid, H3BO3. Fusionof boric acid with sodium oxide forms…

A: Given: Mass given of borate salt (Na2B4O7) =151 g  Mass to be calculated of B5H9 = x (say)

Q: How many milliliters of 2.212 M H2SO4 are needed to contain 0.82 moles of H,SO,?

A:

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

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Q: 84.4 amms ok Nay CO, reactad wth HCL accordings to the eaoation O, reacted oith HCl accord…

A: The balanced chemical equation is as follows:

Q: Hydrobromic acid dissolves solid iron according to the followiaung reaction: Fe(s)+2HBr(aq)→…

A: The reaction of iron and hydrobromide is given by equation 1.So, from equation (1) one mole of iron…

Q: 3.130 A mixture of CuSO4 ⋅ 5H2O and MgSO4 ⋅ 7H2O isheated until all the water is lost. If 5.020 g of…

A: The reaction involved is as follows; CuSO4.5H2O+MgSO4.7H2O→CuSO4.MgSO4+H2O Molar Mass of CuSO4.5H2O…

Q: If 10.0 mL of 2.50 M SrS(aq) is made to react with 25.0 mL of 1.50 M ZnS04(aq), how many moles of…

A: Molarity of any solution is obtained by dividing the number of moles of solute by the volume of…

Q: If 48 mL of 0.2203 M NaOH is required to neturalize 2.51 g of an unknown acid, HA, what is the molar…

A: We have to calculate the molar mass of acid .

Q: How many total moles of ions are released when 3.88 mol of Rb2SO4 dissolves completely in water?

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Q: In an experiment,12.4g of KCIO3 were carefully decomposed and 4.52 of O2 gas were collected. What…

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A:

Q: 1. 25 grams of NaOH (molar mass= 40 g/mol.) is made to react with 50 grams of H2SO4 (molar mass= 98…

A: The given chemical reaction is as follows: 2NaOH + H2SO4 → Na2SO4 + 2H2O The given mass of NaOH = 25…

Q: Ammonium nirate (NH4NO3) is used in fertilizers. A reaction involving ammonium nirate requires 22.8…

A:

Q: Acetylsalicylic acid is the active ingredient in aspirin. It took 49.60 mL of 0.4196 M  sodium…

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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: n the reaction of cerium(III) sulfate with mercury(II) sulfate in the presence of nitric acid and…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to…

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Q: A geologist brought in a sample of ore containing Fe(HCO3)3 and some other, unreactive material. If…

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A:

Q: Q6\ How to prepare(10 MI/of 0.2 N of NaoH, m. wt NAOH =40

A:

Q: A mixture of N21g2 and H21g2 reacts in a closed containerto form ammonia, NH31g2. The reaction…

A: Balanced reaction for the given reaction is as follows. N2g+3H2g→2NH3g After reaction we have 3.0…

Q: Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to…

A: given balanced reaction, BaO2 (s)+H2SO4 (aq)⟶BaSO4 (s)+H2O2 (aq) mass of BaO2 = 22.3 g

Q: 6). Using the expression: 2NaOHjag) + H,SOdes) → Na,SO, (a9) + 2H,O) 4 How many grams of NaOH are…

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

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A: Given that: Mass of BaO2 = 59.1g Molar mass of BaO2 = 169.3g/mol Moles of BaO2 = 59.1g÷169.3g/mol =…

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Q: Consider the hypothetical reaction 3 A + 2 B → 2 C How many mol of B must react with excess A to…

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Q: A 11.4 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

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Q: For the reaction 3KOH+H3PO4⟶K3PO4+3H2O3KOH+H3PO4⟶K3PO4+3H2O how many grams of phosphoric acid,…

A: Recall the given reaction-  3KOH+H3PO4→K3PO4+3H2O  Convert 13.5 g of KOH into moles       moles of…

Q: 5. The nitrite ion (NO,) in potassium nitrite is changed to the nitrate ion by the action of…

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Q: If 1.15 x 10-4 moles of IO3- required 13.86 ml of S2O32- to completeley react, what is the molarity…

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Q: A common acid-base reaction that you can do at home uses vinegar (acetic acid, CH3COOH) and baking…

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Q: How many grams of aluminum sulfate and how many grams of copper metal are produced if 10.0 mL of…

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Q: how many moles of ammonia will be formed

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Q: 2. 0.349 g of CaC2•2H2O and 0.698 g of NazCO; are dissolved in 100 mL of water to form a solution.…

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Q: C. How many grams of Cu would be needed to react with 2.0 mol HNO3? I'm We

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