number of molecules in 1.0 micromole of water?

Q: What is the solute and solvent of air samples?

A: shfoisjfd

Q: Create a sample word porblem about

A:

Q: Question 18 For Determining the Molar Mass of a Volatile Liquid (n-mass/MM, PV=nRT) Answer 2 out of…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: How many grams of CaCl2 are contained in 1 L of a 1.6 M solution? (The molar mass of CaCl2 is 110.98…

A:

Q: What happens to the molarity of a solution when the the liters of solution decreases?

A: There are various concentration terms for solution :-  % w/w  % w/v  % v/v  Molarity  Molality…

Q: Calculate the molal formed by adding 2.701 g of methanol (CH3OH) to 100.00 mL of water. The density…

A: Number of moles off methanol = 2.701g / 32.04 g/mol = 0.084mole mass of water = density * volume…

Q: A beaker is filled with 2.5 moles of sugar(C6H12O6) dissolved in water. How many of sugar molecules…

A: Given, Suger = 2.5 Mole  we have to calculate total number of molecules present in 2.5 mole of sugar

Q: What percent of water is in the compound Magnese (ii) chloride tetrahydrate?

A: The formula of Magnese (ii) chloride tetrahydrate is MnCl2 x 4H2O Hence molar mass of Magnese (ii)…

Q: What is the concentration (molarity) of a solution created by dissolving 58.1 grams of KCI to create…

A: Given data is as follows:    The mass of KCl = 58.1 g The volume of the solution = 1.9 L The…

Q: Choose the most suitable definition for "enthalpy of solution". Select one: O a. The quantity of…

A: The enthalpy of solution, enthalpy of dissolution, or heat of solution is the enthalpy change…

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: - Given that 500.0 mL of solution, draw a mole concept map and calcu late each of the following: (a)…

A:

Q: In order to prepare 60 g of 10% Sodium Carbonate solutions, how many grams of water and sodium…

A: Percent solution is given by,

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

A: As the kinetic energy of the gaseous solute increases,its molecules have a greater tendency to…

Q: Calculate the molarity of 5.50 grams of Compound XY (molar mass= 75.0 g/mol) dissolved in 1.50 L…

A: Given, amount of a compound =5.50 grammolar mass of compound =75.0 gmolvolume of solution =1.50 Lwe…

Q: Calculate moles of barium chloride in 427g of 3.81% by mass. Barium chloride solution

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Q: Example (2): Calculate the molar fraction of nitrogen in a solution consisting of 14 grams of…

A:

Q: Determine the percent water in CuSO4∙5H2O to three significant figures.

A:

Q: Determine the number of moles in water (H2O)  Given 591ml of refresing water.

A:

Q: What percent of water is in the  compound barium chloride dihydrate?

A: To Calculate: Percent of water is in the  compound barium chloride dihydrate.

Q: d. What is the final molarity of HCI? If the two gaseous products are collected separately, then…

A: The solutions are given below -

Q: 21. Given dissolve in 450.0 mL of solution, draw a mole concept map and calculate each of the…

A:

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: How do you determine percent yield given 4.40 mL benzaldehyde and 4.24 g benzoin?

A: The reaction of benzaldehyde with thiamine results in the formation of benzoin. The corresponding…

Q: In the titration of vinegar with a standardized NAOH solution, a student forgot to condition the…

A: Given: Titration of vinegar (which contains acetic acid) with NaOH. And the burette was not cleaned…

Q: molar mass of NH4C2H3O2

A: To find molar mass of NH4C2H3O2 Molar mass of N=18 g/mol Molar mass of H=1 g/mol Molar mass of…

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

A:

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: Choose the most suitable definition for "enthalpy of solution". Select one: O a. The quantity of…

A: Enthalpy of solution also known as heat of solution.

Q: Given 685g of water if 3.00mol of PCl5 was added. Find the freezing point of water

A: Given data: Mass of water = 685 g moles of PCl5 = 3.00 mol The freezing point of water (Tof) = 273 K…

Q: Explain why opening a warm can of soda causes a louder “whoosh” and more fi zzing than opening a…

A: 'Soda can' contains the dissolved CO2 and is sealed under a pressure of greater than 1 atm. When you…

Q: Required: Volume of water Normality of HCl Normality of NaOH

A: Given as The volume of HCl=94.92 mL The volume of NaOH=43.76 mL The volume of water needed for a…

Q: Calculate the grams of salt required to add to 20 liters of water to produce a 0.09%  by weight…

A: Mass percent :- The mass of solute in grams present in 100 grams of solution is defined as mass…

Q: How much water is in the chemical compound magnesium sulfate heptahydrate?

A: The formula of magnesium sulfate heptahydrate is MgSO4 x 7 H2O  Hence the molar mass of magnesium…

Q: - Key Question: What is desalination, and why is it important? with water (Figure 1). You

A: Desalination is the removal of salt from seawater. This produces clean drinking water and is…

Q: 4) 4.50 mole CO(g) to liters 5) 3.20 mole CI,(g) to liters 6) 27.0 mole Kr (g) to liters

A: Number of moles of a substance is equal to the volume of substance divided by its molar volume.

Q: Convert 8.00 liters of H, to moles.

A: moles is defined as the ratio of mass and molar mass.

Q: Consider the molecule tetrahydrocannabinol (?21?30?2), or THC: How many milligrams (mg) of THC are…

A:

Q: Sterling silver contains 93.5% silver, if a necklace made of sterling weighs 15g. What is the mass…

A: Sterling silver is an alloy of silver in which approximately 93 % of silver and remaining of other…

Q: What percent of water is in the compound calcium sulfate dihydrate?

A: The formula of calcium sulfate dihydrate is CaSO4 x 2H2O Hence the molar mass of calcium sulfate…

Q: A solution of CaCl, in water forms a mixture that is 29.0% calcium chloride by mass. If the total…

A: We have to calculate the mass of calcium chloride and mass of water.

Q: How many moles of solute does one liter of a 3.7 M solution of sugar water contain? Answer: _______…

A: Solution - According to the question - Given - Molarity of the solution =  3.7 M Volume of sugar…

Q: percent by volume

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

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

A:

Q: freezing point and boiling point of water on the Celsius scale?

A: The freezing point is the temperature at which a liquid substance turns into its solid phase. The…

Q: 9. 200 g of 25 % NaCl solution have g of NaCl dissolved in g of water.

A: 25% solution means, per 100 g of solution contains 25 g of solute

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: Questions attached

A: Given information,    Mass of CaCl2 is 17.17 g    Volume of solution is 734 mL = 0.734 L