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104 Answered Questions for the topic Solutions

03/29/20

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

03/28/20

Chemistry question about solutions

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

03/27/20

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
Solutions Algebra 2 Functions

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
Solutions Algebra 2 Functions

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). 

01/24/19

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  
Solutions Algebra 2 Algebra

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
Solutions Biology Microbiology

04/03/18

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
Solutions Biology Microbiology

04/03/18

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?
Solutions Biology Microbiology

04/03/18

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)?
Solutions Biology Microbiology

04/03/18

What amount in grams do you need to prepare 100ml of a 10mM solution of Tris (MWT 121 g/mol)?

What amount in grams do you need to prepare 100ml of a 10mM solution of Tris (MWT 121 g/mol)?
Solutions

03/23/18

4.0 moles of potassium chloride in 0.750 L of solution (water)

 molarity equation : moles/liters   
Solutions Chemistry Moles

03/06/18

Do moles change with volume?

Does increasing or decreasing volume change the moles in a solution, or does that just affect the concentration?   If I have 0.035711 moles in 100mL and I'm asked how many moles in 5mL of this... more
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