At what temperature solubility of potassium Chlorate (KCIO3) is 10 grams а. 60° C b. 80° C С. 30° C d. 20° C

Q: A 50-g sample of impure KClO3 (solubility = 7.1 g per 100 g H2O at 20 degrees C) is contaminated…

A: Since the sample is having 10 % KCl. Hence mass of KCl = 10 % of sample mass = 50 X 10 / 100 = 5 g…

Q: Ksp

A:

Q: a) Find the maximum amount of X (g) that can be dissolved in 100 g of water at 50°C (. b) Calculate…

A: a) From the graph, it is clearly observed that 160 g(approx) be the maximum amount of the X(s) can…

Q: Solutes have almost no effect on the boiling & freezing points of a solvent.  True  False

A: 1- In this question, we will see the true and false for the given statement.  You can see below,

Q: 2. Which statement is true about the solubility of alcohols in water?       A. Alcohols are always…

A: Answer:- This question is answered by using the simple concept of solubility of alcohol in water and…

Q: The latent heat of vaporization of water at 100 oC is 539 kcal/kg. Calculate the boiling point of…

A: The boiling point of water can be determined by the Clausius-Calyperon equation. It can be given as:…

Q: Which solvent would dissolve each solute better: C2H5OH (ethanol, E) or gasoline (C8H18, G)?  1)…

A: In chemistry, for solubility the prime rule is 'like dissolves like' This means, that a polar…

Q: how

A: Dear student I have given answer to your question in the image format.

Q: 1 way you could increase how quickly you could dissolve 0.5g of carbon dioxide gas into 100g of…

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Q: 4. Compare boiling points and solubilities in water for each pair c Ammonia, NH, and methane, CH, b.…

A: Physical properties of a compound depends on its intermolecular forces. The compounds which have the…

Q: This is toluene, which solvent would you use to dissolve it? CH3 HC CH HČ, CH H;C. ОН methanol H2 C.…

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Q: Based on the graph for the solubility of slaked lime vs. temperature, determine how many mg of…

A: Answer:- this question is answered by using the simple concept of solubility of a compound in water…

Q: What does the process of recrystallization accomplish? 1) Place toxic chemicals into pure materials…

A: Recrystallization is the process of purification of organic compounds. Hence, the process of…

Q: A compound has a solubility in water of 40 g/L at 0o If 62 g of this compound is added to 1.5 L of…

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Q: Use the chart to answer the question. A family chooses to eat lentils instead of beef for dinner to…

A: According to given chart, one drop of water represents 50 gallons of water. For consumption of…

Q: How much distilled water must be added to a 25.00 mL 0.5104 M aqueous H2SO4 solution to prepare a…

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Q: In which solvent is C5H12O2 most soluble? a. C7H8 b. C2H6O c. C3H6O d. H2O

A: C5H12O2 is polar. Thus it is soluble in polar solvents i.e. H2O.

Q: The concentration of KBr in a solution prepared by dissolving 2.05 g of KBr in 897 g of water is…

A: The concentration (molality) of KBr in a solution is to be calculated.

Q: 2.20-L sample of water contains 165.0 ug of lead. calculate the concentration of lead in ppm

A: PPm  generally known as parts per million,which is unit to measure the environmental pollutants.

Q: Consider the following compounds. (i) Circle the compound that has the highest solubility in water?…

A: Solubility is the maximum amount of solute dissolved in per liter of solution. If the solubility…

Q: What is the solubility of KClO3 at 30 oC?  At what temperature will the solubility of NaCl be equal…

A: Given chart is: To find the solubility of KClO3 at 30oC and the temperature at which the solubility…

Q: What is the concentration in parts per million of a solution in which 25.0 mg of potassium chloride…

A: Parts per million is a measure of concentration of a substance. It is used when the amount of…

Q: Consider the reaction:             N2(g) + 3H2(g) --> 2NH3(g) where ΔH = -15.0 kcal/mol and ΔS =…

A: Given reaction; N2(g) + 3H2(g) --> 2NH3(g) where, ∆H = -15.0 Kcal/mol and, ∆S = -35.0 cal/mol.K…

Q: How do I find the moles of NaOH required to neutralise KHP? NaOH = 0.65M solution Moles KHP =…

A: Given,Mass of KHP = 3.3139 gMolar mass of KHP = 204 g/mol Moles of KHP can be calculated as:

Q: How many Calories does a sandwich with 10g of fat, 5g of carbohydrates,and 6g of protein have? A.…

A: The given sandwich contains: fat = 10 g carbohydrates = 5 g proteins = 6 g The amount of calories in…

Q: Solubility or Miscibility (soluble or insoluble; miscible or immiscible) Compound Cyclohexane…

A: As no particular solvent is mentioned. so we are considering solvent water. I On basis of this…

Q: What is the level of heavy metal (in ppm) in a 3.89 kg sample that has 0.9 mg of the heavy metal…

A: PPM stands for parts per million.  It is used when solute concentration is very very low.

Q: substance has a solubility of 12.5 g per 100 mL of solvent at 100 degrees celsius and 2.45 g per 100…

A: Given : solubility of substance at 100 °C = 12.5 g/100 ml  Solubility of substance at 10°C = 2.45…

Q: If 0.100 mol glucose (C6H12O6) is dissolved in 0.100 L solution, what will be the concentration of…

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Q: 0, „OtBu -OtBu HN CO,Me 1. LDA 2. N. OMe SO-Ph 3. aqueous workup

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Q: The solubility of magnesium phosphate is 5.3 × 10"2 g/1.0 L of solution. What is the Ksp for…

A: Given: The solubility of Mg3(PO4)2 = 5.3×10-2 g/L. The molar mass of Mg3(PO4)2 = 262.86 g/mol.

Q: Consider the two forms of a non-biologically important amino acid shown below. What is the biggest…

A: In case of amino acid, chemist picture, molecule does not have any charge on it and it can form…

Q: Which substance has the greatest tendency to participate in a chemical reaction with small chain…

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Q: Q26(B)(b)

A: We will use formula of molality

Q: Your answers are saved automatically. Remaining Time: 1 hour, 58 minutes, 27 seconds. * Question…

A: □Tf = 5.5-4.3 =1.20 °c □Tf = i ×Kf ×m Molality(m) = moles/mass of solvent  m = 2.5/MM×0.025

Q: A sample of air is determined to have an NO2 concentration of 75.7 ug/m3. What is this concentration…

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Q: The normal boiling point of diethyl ether is 34.5 °C, and its AvapHm»npb iS 11.38 Kcal/mol. Find the…

A: The molar enthalpy of vaporization is related to the corresponding temperature and pressure values…

Q: Rank these substances in order of increasing solubility in water. Substances (4 items) Solubility…

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Q: Which of the following would be expected to have the highest solubility in water! Η Η | I H-C-C-O-H…

A: The functional groups are responsible for the different chemical reactions shown by the organic…

Q: 7. What mass of potassium nitrate (KNO3) will dissolve in 200 grams of water at 60°C? 8. Determine…

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the…

Q: 8ds De least soluble in a liquid: low temperature and high pressure Ohigh temperature and high…

A: Interpretation: We have to tell under which condition gas is least soluble in a liquid.

Q: Specify which of the following criteria should be met by a good solvent recrystallisation by marking…

A: The reason for each of the given statement is given below:

Q: When a distilled water is distilled does it have the same property as those of the original…

A: It is asked to explain the effect of double distillation of water.

Q: DO in mg/L at Different Saturation Level 100%sat 80% sat 60% sat 40%sat 20%sat Temperature (a) (d)…

A: The amount of dissolved oxygen (DO) depends upon various factors like temperature, salinity and…

Q: A 1.2000 g sample of (NH4)2Ce(NO3)6 (548.23 g/mol) is dissolved in water and diluted to 100.0 mL.…

A: Given the mass of (NH4)2Ce(NO3)6 dissolved = 1.2000 g  Molar mass of (NH4)2Ce(NO3)6 = 548.23 g/mol…

Q: SiO₂(s) + 4HF(g) SiF4(g) + 2H₂O(g) ect on [SiF4] when (a) H₂O(g) is removed; (b) some liquid water…

A: Equilibrium is affected by the change in pressure, volume and temperature which are determined by…

Q: 1. Using Figure 3.1, determine a. the number of grams of CUSO4 5 H,0 that will dissolve in 100 g of…

A: The given solubility curve is : We have to calculate the number of grams of CuSO4.5H2O that will…

Q: When 18 g of glucose is dissolved in 180 g of water then the mole fraction of glucose is: (a) 0.0099…

A: Given: Weight of glucose = 18g Weight of water= 180g  To Find: Mole fractions of glucose Definition:…

Q: What is the molarity of ethanol in 90% proof whisky? Density of alcohol = 98 g/mL A. 8.73 M C. 8.37…

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Q: Determine the solubility of coconut oil of the following solvents:  SOLVENT SOLUBILITY Water…

A: Answer  Determine the solubility of coconut oil of follwing…