How many moles of O2 are needed to react with enough ammonia to produce 4.0 moles of water? How many grams of NO will be produced from 2.50 grams of NH3?

Q: calculate the mass in grams of Casoy 250 ml of 0.630M Solution

A:

Q: What volume of 0.20mol/L acetic acid solution is needed tomake 100ml of 0.015mol/L acetic acid…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: Explain how a saturated solution represents an equilibrium between the solution and any undissolved…

A: Saturated solution:A solution is called saturated solution when no more solute can be…

Q: How many grams of pure sodium hydroxide would be required to make 2L of 1.5M sodium hydroxide…

A: Given 2L of 1.5M sodium hydroxide solution To determine grams of pure sodium hydroxide would be…

Q: Prepare 10mlof a 20mg ml solution if copper sulfate

A: The objective of the question is to calculate the mass of copper sulfate needed.

Q: A solution saturated with NaCl and KCl at 100°C is cooled to 20° C. Assuming neither salt affects…

A: Given the initial temperature of the NaCl and KCl solution is 100 oC. The solution is cooled to 20…

Q: Can you be more specific it is very hard to see the solution

A: We know that at anode oxidation takes place and at cathode reduction takes place.

Q: In liquid "X", you notice that the liquid is completely clear and see through. There no is…

A: A solution is a homogeneous mixture that consists of two or more substances. A solution might exist…

Q: 100.0 mL of a 0.500 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…

A: Given  Initial volume of KBr solution (V1)= 100.0 mL Initial molarity of KBr solution (M1) = 0.500 M…

Q: ] mean ___________. mole fraction mole percent molarity…

A:

Q: write a step by step procedure to make 500 ml of a 0.125M lithium oxide solution?

A: For this we have to find the grams of Li2O (lithium oxide) require to dissolve in 500 ml of water to…

Q: 4. Calculate the volume of alcohol to be added to preserve the prescriptio below. Rx Active drug'…

A: The objective of this question is to calculate the volume of alcohol to be added to preserve the…

Q: need the the step by step solution     What is the volume in cubic meter of a 2 pound water?

A: Now here we need to do the unit conversion that is from pounds to cubic meter  Now  1 pound =…

Q: suppose we need 500ml of 3M fluoric acid from 15M stock solution. how much stock solution we need?

A: Given :  Concentration of stock solution (M1) = 15M  Concentration of dilute solution (M2) = 3M…

Q: Concentrated sulfuric acid is an aqueous solution that is 17.8 M H₂SO4 and has a density of 1.84…

A: Given,  Molarity of H2SO4 solution = 17.8 M Density of a solution = 1.84 g/mL The mass percent of…

Q: Pleaser answer quickly, no explanation needed, only the answer. Thank you.

A: To benzoic acid addition of sodium benzoate the dissociation of benzoic acid will decrease, but with…

Q: ty of solvent?

A: The elevation in boiling point is directly proportional to Van’t-Hoff factor and molality of the…

Q: What weight of sodium carbonate needed to prepare exactly 750 ml. of 0.105N solution.

A:

Q: 1.25 liters of 0.3159 M copper(II) bromide solution requires how many grams of copper(II) bromide?

A: We have to use the mole concept for the calculation.  We know  Molarity=number of moles of…

Q: Calculate mM of chemical in solution. 3 g NaCl in 3L solution. () mM

A: Given :-  mass of NaCl = 3g  volume of solution = 3L  To calculate :-  molar concentration of…

Q: Daite 25 Compounds (oswmatre t aroonatict alpate) ueith lorgeet and alzo grue yer chemical whift…

A: if shielded low chemical shift value . if Deshielded high chemical shift value

Q: A 0.9% glucose solution is prepared by diluting __ul of a 0.06M solution in 1.8ml of water

A: Stock solution of glucose = 0.06 M  Volume of final solution = 1.8 mL  Concentration of final…

Q: The name of the apparatus used in salting out is Your answer

A: Salting-out is the effect when adding a salt to a solvent containing an organic solute reduces the…

Q: 8 T mixed with distilled water 300mL. What is the final concentration

A: Given data :  1. No. Of tablespoon = 8 T  2. Volume = 300 mL

Q: For number 2 I am getting incorrect. Is there another solution it could be?

A: We have to give the major product of the reaction for Br2 and H2O. Concept: During the reaction of…

Q: Why is a calibration curve used? O To ensure new equipment is working properly To calibrate old…

A: The reason, for why calibration curve is used has to be given.

Q: Part A & b and why in part A with this solution decrease in volume

A: In osmosis, the solvent molecules (water molecules) move across the membrane from the solution…

Q: Prepare 750ml of 1.5M KNO3. Show complete solution

A: Given,  Volume of solution = 750 ml     ( 1mL= 0.001 L )                                    = 0.75 L…

Q: how do you what significant figure to round it up after completing the solution

A: Average molecular weight of an atom(M) = f1m1 + f2m2           Where f1 and f2 are fractions of the…

Q: Derive the equivalent expression of ppm in mg/L

A: The objective of the question is to derive the expression where ppm is converted into mg/L

Q: Compound CH3 Solubility in water Solubility in dilute NaOH Ceric nitrate test Yellow to Red H3C A.…

A:

Q: how to make a stock solution of 10% ethanol and 40% water? do the necessary volume to concentration…

A: To make a stock solution of 10% ethanol and 40% water.

Q: PrePan Ben Zois acid 10 mL 5.% in

A: The question is based on the concept of solutions. It involves preparation of solution based on the…

Q: If you needed to make 25ml of a 1:5 dilution of a solution, how much initial solutio and diluent do…

A: To make a 1:5 dilution of a solution, you need to mix one part of the original solution with four…

Q: Show solution on how many milligrams there are in 25 nanograms

A: Given -> 25 nanogram

Q: What volume of 0.220 M HBr solution (in mL) is required to obtain 0.0600 moles of HBr? A) 3.67 L B)…

A:

Q: Compute (UN)% solution prepared by adding 50 ml a cid to 20o ml water ? Ans.: 20%

A:

Q: Prepare 100 mL of a 10mM tris solution using a 1M tris stock (include the amount of water in your…

A: In case of dilution of any electrolyte, the number of moles (or millimoles) remains unchanged. i.e,…

Q: Concentrated solutions have__ amount of solute O lower O higher O normal abnormal

A:

Q: sketch conc. aqueous sodium stearate solution with grease in it

A: Sodium stearate solution and grease.

Q: A common colligative property is that a solute will...   Raise the boiling point   none of these…

A: Colligative properties: Properties of solutions are properties that depend upon the concentration of…

Q: Suspensions also show Tyndall effect (compare)

A: Suspensions also show Tyndall effect  that has to be compare.

Q: 7. Calculate the titer of sodium chloride in the solution prepared from 3.6 g NaCl and 390 mL of…

A: Given: The mass of sodium chloride, NaCl, is 3.6 g. The volume of water is 390 mL and the density of…

Q: Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x…

A: A buffer is a solution which resist change in pH and obtained when a weak acid and the salt of its…