108 Answered Questions for the topic Solutions

05/17/21

250 mL of 0.18M potassium sulfate solution is added to a 100 mL solution of 0.25 M barium nitrate. Calculate the mass of the precipitate formed.

Doing a year long review and forgot the equations for these, a walkthrough and the equations would be greatly appreciated.
Solutions Chemistry Equations

05/17/21

What mass of copper will be produced from 250 mL of a 0.8 M copper (II) chloride solution?

Equations would be greatly appreciated, biggest problem is that I've forgotten them and we're doing a year review.

Chemistry question about solutions

Why do we use salt on ice in cold weather? The combination increases the boiling point of the ice, making it melt faster. The combination increases the vapor pressure of the ice, so it evaporates... more

Chemistry question about solutions

Select the best term that completes this statement: Solvents dissolve solutes because the two substances have ________________ intermolecular... more

Chemistry question about solutions (acid and basic)

What ultimately occurs in the ionization process of a weak acid or base? It eventually reverses completely to reform the un-ionized acid or base molecules It eventually goes 100% to completion. It... more

07/07/19

How do coordinates represent solutions

How are the coordinates (x,y) used to represent a solution to f(x)=g(x) for different types of functions (radical, rational, quadratic, linear). In other words, how is the ordered pair (x,y) a... more

07/07/19

Coordinates to different functions

How are the coordinates (x,y) used to represent a solution to f(x)=g(x) for different types of functions (radical, rational, quadratic, linear). 

General Chemistry 2 concentration dilution problem

3. A 4.50 *10^-2 M solution is used to prepare a series of five 100.0 mL solutions of varying concentration for use in creating a calibration curve for a spectrophotometric experiment. Determine... more
Solutions Math

11/19/18

Determine the volume of stock solution needed and the volume of diluent

Prepare 30 L of formalin from a 100% stock solution. How much formalin is needed to make a 5% solutions? How much Diluent?

10/13/18

Making a Solution

Make 50.0ml of a solution that is both 0.15 M in malonic acid, CH2(CO2H)2 and 0.020 M MnSO4. Tip: Simply Calculate how grams of malonic acid to make 50.0 ml of 0.15 M malonic acid and how many... more
Solutions

10/02/18

How many solutions does this system have? Why is the solution and explain why?

6x + 4y + 2z = 32 3x - 3y - z = 19 3x + 2y + z = 32  

09/12/18

How to Write a Systems of Equations with Step by Step Solution

Provide a step by step solution and explain what the numbers in your solution mean in the context of the question you chose.     Question:   48,000 fans are in attendance at the Diamondbacks... more
Solutions Serial Dilutions

07/21/18

How do you create serial dilutions of a pure compound while maintaining a 0.1% DMSO concentration in each solution?

I need to test various concentrations of a compound however it is only soluble in DMSO. My compound is in pure powder form (I only have 900mg available, and it will be dissolved in 100% DMSO... more

If line s is y= -3x+2 can an equation of a line share more than one solution with line s

If yes, why and where lease provide an exampel
Solutions

05/01/18

How many grams of NaOH are in 250mL of a 1.25M NaOH solution?

That was my entire question
Solutions

04/28/18

calculate the molar concentration of a 40% solution (w/w) of NaOH that has a specific gravity of 1.605

topic: solutions
Solutions

04/24/18

What is the final volume of the KOH solution?

35.5 mL of a 33% (m/v) KOH solution is diluted with water to give a 7.5% (m/v) KOH solution

You are told to prepare 70% v/v bottle of ethanol to spray down a laminar flow hood.

You are told to prepare 70% v/v bottle of ethanol to spray down a laminar flow hood.The maximum volume on the spray bottle is 250 ml. You have a 95% v/v stock bottle bottle of ethanol. What volume... more

What volume in ml do you need to prepare 100 ml a 10 mM solution of Tris....

What volume in ml do you need to prepare 100 ml a 10 mM solution of Tris (MWT 121 g/mol) from 500 ml of 0.5 M stock?

What amount in gram do you need to prepare 25 ml of a 10% w/v solution of Tris (MWT 121 g/mol)?

What amount in gram do you need to prepare 25 ml of a 10% w/v solution of Tris (MWT 121 g/mol)?

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