A 50-g sample of impure KClO3 (solubility = 7.1 g per 100 g H2O at 20 degrees C) is contaminated with 10 percent of KCl (solubility = 25.5 g per 100 g of H2O at 20 degrees C). Calculate the minimum quantity of 20 degrees C water needed to dissolve all the KCl from the sample. How much KClO3 will be after this treatment?

Q: A Chemistry teacher is preparing solutions for a classroom activity. For the scenarios below,…

A: Here we have to predict whether the following dissolution of the ionic compounds in water are…

Q: lce the table of substances and their solubilities in water to answer the following questions:…

A: Separation of mixtures based on their solubilities

Q: Suppose a 500. mL flask is filled with 0.60 mol of N2 and 0.10 mol of NO. The following reaction…

A: We will first calculate the concentration(molarity) of given species. and using the ICE table we…

Q: At a certain temperature, 0.4811 mol of N₂ and 1.701 mol of H₂ are placed in a 5.00 L container.…

A: Given equilibrium is  N2(g) + 3H2(g)  ⇄ 2NH3(g)  Initial moles of N2 = 0.4811 mol  Initial moles of…

Q: Exactly 1.00 mol ClF3 is placed in an empty 1.00-L container (without any products initially) and…

A:

Q: Consider the solubilities of a particular solute at two different temperatures. Temperature (∘?)…

A: Given data: Mass of solute at 20˚ C = 48.3 per 100 g of water Mass of solute at 30˚ C = 87.6 per 100…

Q: SO2(g) + NO2(g)  ↔  SO3(g) + NO(g), Kc = 2.90 at a certain temperature. Calculate the number of…

A:

Q: Write the expression for the equilibrium constant for the reaction before you can calculate for the…

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: 11. Refer to the solubility curve SOLUBILITY (g/100 g water) 160 140 120 100 80 0 20 40 80 80 Temp…

A:

Q: Determine the value of the equilibrium constant, Kgoal, for the reaction N₂(g) + O2(g) + H₂(g) =…

A:

Q: At a certain temperature, 0.351 mol CH4 and 0.752 mol H2S are placed in a 3.50 L container.…

A: Since molar mass of CS2 = 76 g/mol Hence moles of CS2 present at equilibrium = mass / molar mass =…

Q: At a certain temperature, 0.378 mol CH and 0.706 mol H2S are placed in a 1.50 L container. CH2(g) +…

A: Step 1: The equilibrium constant (KC) is the ratio of the concentrations of gaseous (or aqueous)…

Q: Suppose a 500. mL flask is filled with 1.4 mol of H₂ and 1.1 mol of HC1. The following reaction…

A:

Q: Calculate the value of the equilibrium constant (Keg) for the following reaction: 2 Co (g) + 6 H2…

A:

Q: Suppose a 500. mL flask is filled with 0.10 mol of H, and 0.50 mol of NH2. This reaction becomes…

A: We have 0.5 L flask, 0.10 mol of H2 , 0.50 mol of NH3, we have to fill ICE table.

Q: Carbonyl bromide decomposes to carbon monoxide and bromine. COB1, (g) 2 CO(g) K, is 0.190 at 73 °C.…

A:

Q: 2 NaCl (1) 2 Na (I) + Cl2 (g) O2 (g). + H2 (g) Explain the reaction and its applications with neat…

A: 2NaCl (I) ------2Na(I)+ Cl2 (g) It is type of decomposition reaction - A decomposition reaction is a…

Q: From the following equilibrium reactions: 2SO2(g) + O2(g) → 2SO3(g) K1 2CO(g) + O2(g) → 2CO2(g) K2…

A:

Q: Calculate the value of the equilibrium constant for the reaction, 4 NH3(g) +3 02 (9) 2N₂(g) +…

A:

Q: Suppose a 250. mL flask is filled with 1.1 mol of SO₂ and 0.30 mol of SO3. This reaction becomes…

A: Recall the given reaction  2SO2 + O2 <----> 2SO3 1.1 moles of SO2 and 0.3 moles of SO3 is…

Q: Suppose a 250. mL flask is filled with 0.20 mol of O, and 2.0 mol of NO. The following reaction…

A: Equilibrium constant Kc is the ratio of concentration or molarity of products to concentration or…

Q: At a certain temperature, 0.5011 mol of N₂ and 1.521 mol of H₂ are placed in a 3.50 L container.…

A: The objective of this question is to calculate the equilibrium constant for the given reaction.

Q: At a certain temperature, 0.4811 mol of N₂ and 1.601 mol of H₂ are placed in a 3.00 L container.…

A: Since,Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: H2​(g)+Br2​(g)→2HBr(g) Kc = 2.00 x 10^4  At equilibrium, there are 0.140 moles of H2 and 0.144 moles…

A:

Q: The solubility of KNO3 (in gr KNO3 per 100 gr water) is 155 gr KNO3 at 75 oC and 38 gr KNO3 at 25…

A: The solubility curve of KNO3 suggest that its solubility is different at different temperatures. As…

Q: At a certain temperature, 0.4011 mol of N₂ and 1.501 mol of H₂ are placed in a 4.50 L container.…

A: The objective of the question is to calculate equilibrium constant for the following reaction given.

Q: The concentration of a solution of sucrose  C12H22O11  when 684 grams are completely dissolved in…

A: We have given that  Mass of sugar = 684g  Mass of solvent = 2000grams = 2Kg Molar mass of C12H22O11…

Q: The reaction. 2CH4(g) = C₂H₂(g) + 3H₂(g) has an equilibrium constant of Kc = 0.154. If 6.55 mol of…

A: Answer:When QC=KC then reaction mixture is at equilibrium.When QC<KC then reaction mixture is not…

Q: Calculate the solubility of Mg (OH), in water at 25 °C. You'll find K data in the ALEKS Data tal `sp…

A: Given Ksp = 5.61 × 10-12 ( ALEKS data )

Q: At a certain temperature, 0.332 mol CH4 and 0.920 mol H2S are placed in a 1.50 L container.…

A:

Q: The solubility of KNO3 (in gr KNO3 per 100 gr water) is 155 gr KNO3 at 75 oC and 38 gr KNO3 at 25…

A: Solubility at 75oC is 155g per 100g of water This means we can dissolve upto 155g at 75oC . Beyond…

Q: A concentrated sulfuric acid solution is 85.5% H₂SO4 by mass and has a density of 1.69 g/mL at 25°C.…

A: Given that, Mass percent of H2SO4 = 85.5 % Density of H2SO4 solution = 1.69 g/mL Concentration of…

Q: eaction proceed far towards completion when equilibrium is reached? l HF was placed in a 1.00 L…

A: As we know,  if Kc is vert very small ,then reaction is reactant dominated over reactant.  And if Kc…

Q: Suppose a 250.mL flask is filled with 1.8mol of I2 and 1.4mol of HI. The following reaction becomes…

A: Initial Moles of I2 = 1.8 molInitial moles of HI = 1.4 molVolume of flask = 250 mLEquilibrium…

Q: 2NO(g) + 2H₂(g) = N₂(g) + 2H₂O(g) Based on the equilibrium concentrations below, what is the value…

A:

Q: Suppose a 500. mL flask is filled with 0.10 mol of Cl₂, 0.90 mol of CHC13 and 0.30 mol of HC1. The…

A:

Q: Adding 1.00 g of benzene C6H6 (78.1 g/mol) to 80.0 g of an organic solvent lowers the freezing point…

A:

Q: mass percentage

A: Total mass of the solution  =8g NaOH + 50g H2O =58g

Q: At a certain temperature, 0.4011 mol of N2 and 1.501 mol of H₂ are placed in a 4.50 L container.…

A: The reaction is N2(g) + 3H2(g) -> 2 NH3(g). Initially, we have 0.4011 mol of N2 and 1.501 mol of…

Q: Write the balanced equation for the dissolving of PbCl₂(s) in water.

A: • We need to write the balanced equation for the dissolving of PbCl2(s) in water.

Q: Suppose a 500. mL flask is filled with 1.6 mol of NO2 and 0.60 mol of NO. This reaction becomes…

A: Step 1: Step 2: Step 3:

Q: 3) Based on the information below, determine the value of the unknown equilibrium constant, Kc. 4…

A: The given data is as follows: 4CO2(g) + 2H2O(g) → 4O2(g) + 2CH2CO(g)              Kc'=3.7×1017…

Q: 1. H₂(g) + 1₂(g) → 2HI(g) K = 54 @ 700 K II. N₂(g) + 3H₂(g) → 2NH3(g) K 1.04 x 10-4@ 700 K What is…

A: If two reactions can be added to get a third reaction,then the equilibrium constant (Keq) for the…

Q: For the equilibrium 3NO2(g) K=1.0 × 10-11 N₂O5(g) + NO(g) If a 4.00 L container initially holds 0.23…

A: Consider the given information as follows; 3 NO2 (g)   ⇌   N2O5 g  + NO g           ;…

Q: Consider the following equilibrium reaction: H2O (g) + CH4 (g) = CO (g) + 3 H2 (g) The reaction…

A: Given,

Q: Suppose a 500. mL flask is filled with 1.3 mol of O, and 0.10 mol of SO3. This reaction becomes…

A: GIVEN: Volume of the Flask = 500 mL= 0.5 L Moles of O2=1.3  mol Moles of SO3 =0.10 mol Given…

Q: 96. Water pollution. The use of iodine crystals is a popular way of making small quantities of water…

A: The objective of the question is to find the rate of change of the concentration of iodine in the…

Q: Calculate the solubility of ZnCO3 in water at 25 °C. You'll find K sp Round your answer to 2…

A: Solubility of ZnCO3 defines the quantity of ZnCO3 dissolved in a solvent like water at a particular…