What usually happens to the solubility of gas as temperatures increases? Answer: Find the number of electron and neutrons in the following: 197Au3 Electrons Neutrons There are bond pairs of electrons and lone pairs of electrons in PCI, molecule.

Q: Multiple Choice: The Professor asks you to prepare him an amount of Avogadro's constant (number of…

A: The matter is made up of atoms. There are different states of matter like- solid, liquid and gas.…

Q: Each capsule should contain riboflavini natri phosphas equivalent to 10 mg riboflavinum. Figure out…

A: Number of mol = Mass/Molar mass Number of mol of riboflavin sodium phosphate = Number of mol of…

Q: B. Determine the following: Pm, P, Pm, Xa, m, and M if 107.125 grams NaOH is dissolved in 480 mL of…

A: Mass of solute , NaOH = 107.125 g

Q: 7 # 3 G 8 4 1 mole CH₁₂0= 1 mole Fe₂(Cro), = g Fe, (CrO₂), -9 C₂H,₂06 10. Avogadro's constant was…

A:

Q: Calculate the percentage by mass of water in magnesium sulfate heptahydrate, MgSO4•7H2OEnter your…

A: MgSO4.7H2O is also known as Epsom salt and it contains 7 molecules of water as water of…

Q: Determine whether each phrase is true or false 1. More potassium bromide can dissolve in distilled…

A: We have asked whether the following statement is true or false. The statement is "More potassium…

Q: Describe the three-step process of developing a solution. In your answer, explain whether each step…

A: There 3 step involved in making of a solution . Endothermic means where heat needed to complete the…

Q: number of molecules in 1.0 micromole of water?

A: Given Mole of water = 1.0 micromole

Q: 8. Answer the question below. Use the rubric in the materials for help if needed. You have a 155 g…

A:

Q: In the development kitchen for Gatorade, a food chemist was preparing a new flavor by measuring out…

A: As per given data food chemist was preparing a new flavour by measuring out 0.035 moles of each…

Q: If the initial volume of the H2O2 solution is 3.8 L, what total amount of O2 (in moles) is formed in…

A: From the graph-  First 25 seconds leads to change in the concentration of H2O2 from 1 M to 0.5 M

Q: Classify these substances as molecular or ionic. Molecular Ionic Answer Bank calcium oxide, CaO…

A: Given: Some Compounds are given  To find: which compounds are ionic and which are covalent…

Q: An 812. g solution of Kool-Aid contains 295. g of water. What is the mass percent of Kool-Aid mix in…

A:

Q: An aqueous solution of KBr is prepared by dissolving 85.7 g of KBr in enough water to make 2.89 L of…

A: GIven: Mass of KBr=85.7 g Molar mass= 119.002 g/mol The volume of the solution=2.89 L Molarity of…

Q: From the formula of the following hydrates calculate the percent H 2 O in each Possible unknowns…

A: % of H2O (Hydrates) in compound = Mass of water Total nass of compoundx100%(a) BaCl2.2H2OAtomic mass…

Q: 2. The process of formation of a liquid solution can be better understood by breaking the process…

A: Given: Process of formation of a liquid solution that can be better understood by breaking the…

Q: Calculate the number of moles for 280g of water, H2O? A. 15.6 mol B. 31.2 mol C. 8.65 mol D. 280…

A:

Q: A 210 gram sample of glucose (C6H12O6) was used to make a 1.97 M solution. What is the volume of…

A: Given  Mass of glucose            = 210 gram  Molarity of solution      = 1.97 mole/ Liter  Molar…

Q: Ascorbic acid (C,H,O,) is also known as Vitamin C. How many molecules of C,H,O, does a Vitamin C…

A: It is required to calculate the number of molecules in 1000.0 mg of ascorbic acid. Since 1…

Q: What usually happens to the solubility of gas as temperatures decreases? Answer: Find the number of…

A:

Q: A solution is prepared by dissolving 99.6 grams of sodium nitrate in 789 grams of water. Paired…

A:

Q: What is the molarity of a solution that is composed of 54.8 grams of KCl dissolved in enough water…

A: Molarity = number of moles of solute dissolved per litre of solvent. Moles = given mass / molar mass…

Q: What is the molarity of a sucrose solution that contains 46.1 g of… (more information in photo)

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Q: Q1) Is this graph an endothermic or exothermic graph and why? Q2) Explain what is happening to the…

A: Q1): The Temperature vs time graph is given above in question: It is clear that the temperature of…

Q: MgC12 has a concentration of 0.068 1 point M in the ocean. How many grams of M9C12 are present in 25…

A: The molarity of a solution is the number of moles of a solute present in 1 liter of the solution. So…

Q: Compute the molarity of a solution that contains 5.62 g of Na2CO3 in enough water to make 750.0 mL…

A: Given: mass of Na2CO3 =5.62g molar mass of Na2CO3 =105.98g/mol number of moles of Na2CO3(n)=mass of…

Q: Based off the molecular polarity of water, which of the following molecules would be soluble in…

A: Polar species are soluble in water, while nonpolar species are soluble in oils and fats. Covalent…

Q: Borax, a common laundry product, is sodium borate decahydrate.  The chemical formula is Na2B4O7 ⋅⋅…

A: Using the molar mass of borax and molar mass of water we can find percentage of water.

Q: what is the Report. answer L percent water in hydrate. olt Nacl 2H26

A: Mass percentage is equal to the mass of the given substance divided by total mass of compound…

Q: f) How many grams of NaCl can dissolve in 650. g of water at 50°C? a g) A solution is made by mixing…

A: We can solve this problem by using the data provided.

Q: Find the percent mass if 8.6g of NaOH is added to 69.44g of water.

A: Given :-  mass of NaOH = 8.6 g  mass of water = 69.44 g  To calculate :-  percent mass (%w/w)

Q: -SO,Na H,C + HCl → ? + NANO2 → ? NaOH → ? + H,C

A:

Q: 100 Practice Questions Mid X Gwhat's the difference betwe X (68) mol to molecule or for X G Question…

A: Mass of sucrose is calculated as follows,

Q: Question 12 of 29 > Iodine is prepared both in the laboratory and commercially by adding Cl, (g) to…

A: Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution…

Q: What is the molarity of a solution that contains 21.8 moles of LINO3 in 45.5 liters of solution?…

A: Given data contains, Moles of LiNO3 is 21.8 moles Volume of solution is 45.5 L.

Q: SHOW YOUR WORK How many grams of solution will contain 20.3 g of solute, if the mass percent of the…

A:

Q: Assume you dissolve 6.73 g NA2CO3 in enough water to make 250. mL of solution. (Molar mass of Na2CO3…

A: We'll answer the first question since the exact one wasn't specified. Please submit a new question…

Q: Calculate each of the following for the hydrated 'compound':           Mg5Al4(P3Se7)3⋅⋅6H2O How…

A: Atomicity is defined as total number of atoms present in 1 molecule of compound.

Q: Calculate the mass in grams of NaF needed to prepare 0.50 L of 2.25 M NaF solution. Enter your…

A: Write the formula for calculating mass of a compound required to prepare specific molar…

Q: ) The molecular formula for glucose is CH12O6. Using this information, determine the mass of glucose…

A: Given :-  Molarity of solution = 0.5 M or 0.5 mol/L  Volume of solution = 1 L  To calculate :-  Mass…

Q: You are a forensic investigator. The data for a crime scene is in the following chart Soluble in oil…

A: The test data given is, And the possible compounds are KCl, C10H8, and C6H8O6.

Q: Calculate the molarity (M) of 153.1 g of H2SO, in 1.440 L of solution. Express your answer to four…

A:

Q: What is the mass percent of HCIO3 in a solution made of 38.57 g of HCIO3 dissolved in 398 g of…

A: Given, Mass of HClO3 = 38.57 g Mass of water = 398 g To find the percent of HClO3.

Q: A 115 gram sample of glucose ( C6H12O6) was used to make a 2.47 M solution. What is the volume of…

A: First find the moles of glucose in 150 g , then put it in the molarity formula

Q: Question 11 of 29> < The reaction for producing glucose in plants, called photosynthesis, is light 6…

A: Given reaction is,

Q: your answer in the provided box. Calculate the percent by mass of the solute in the following…

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Q: One serving of cola, 365g,  contains  39 g of sugar. What is the percent concentration of sugar?

A: GIVEN: Amount of cola: 365 g Amount of sugar: 39 g To calculate: The percent concentration of sugar

Q: Calculate the molarity (M) of 157.0 g of H2 SO4 in 1.420 L of solution. Express your answer to four…

A: Since, molarity is defined as the number of moles of solute present in  1 L of solution. Since you…

Q: 1. Copper reacts with nitric acid producing water, nitric oxide gas (NO) and copper (II) nitrate.…

A: Please find your solution below : Molarity is measure of concentration which is defined as number of…

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".