17 Answered Questions for the topic Bases

#### help please, how to answer this question

The [OH-] of a solution of 4.85 mol/L sodium carbonate is

#### need help please

The [H3O+] in a solution of 0.18 mol/L methanoic acid is a.bcde mol/L

#### please help with this question

Acetic (ethanoic) acid is the most common weak acid used in industry. Determine the pH and pOH of an acetic acid solution prepared by dissolving 60.0 kg of pure, liquid acetic acid, to make 1.25...
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#### Acid or Base reaction

Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous...
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#### Calculate the pH and concentrations of CH3NH2 and CH3NH+3 in a 0.0459 M methylamine (CH3NH2) solution.

Calculate the pH and concentrations of CH3NH2 and CH3NH+3 in a 0.0459 M methylamine (CH3NH2) solution. The Kb of CH3NH2 is 4.47×10^−4.

Bases Algebra 2

05/19/19

#### BASES AND LOGARITHMS

When we work in Base 5, for example, we're told that the only digits we can use are 0,1, 2, 3 & 4. So, for example, the first eight positive whole numbers in Base 5 are 1, 2, 3, 4, 10, 11, 12,...
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#### Working with bases greater than 10. Just for fun.

I'm trying to figure out how to work with math in higher than base 10. As an experiment, I started using base 26, using a = 0, b = 1, c = 2, and so on until z = 25. I then tried to calculate the...
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09/11/18

#### How do you write a surd as an exponential with a different base? How do you get from √128 to 2^(7/2)?

Hello!
The question in my textbook asks me to find m when √128 = 2^m
I used an app to solve the question and writing “√128 as an exponential with a base of 2“ was one of the steps
Please...
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#### what are the place values in a base b place-value system? What digits are needed?

I'm not really sure what this question is even asking.

Bases

10/31/17

#### how does one Determine and Compute a negative base system?

ok, so it's pretty common knowledge that we use a base ten system (decimal) for mathematics. We also (un)commonly use base 2 (binary), base 8 (octal) and base 16 (hexadecimal). Unknowingly we also...
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Bases Chemistry

02/28/17

#### how is acid base chemistry a part of everyday life

PLease help me i need the answer to this for a very important project.

Bases

01/31/16

#### recursion for the difference between 99 and 100

Write a recursion for the difference between 99 and 100, as you move up in bases above 10 (base 11, base 12, base 13, etc.).It should be fully simplified, and please use "n" (w/out quotes) as your...
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Bases Logarithms

12/02/15

#### evaluate logs

evaluate the following
12log1
ln(-3)
ln(e^2)
log(sqrt(10,000))
log(base 8) 200

11/24/15

#### We are titrating 0.1N NaOH against unknown concentration of acid, say H2SO4, using Phenolphthalein indicator. Why there's no end point appearing?

It's an acid base titration experiment, where we have to find the concentration of an unown acid using known concentration of a base using indicator. Here we used 0.1 M NaOH, and 5ml H2SO4 made up...
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#### Are the symbols Al+3 and Cl- anion, cation, atom, or molecule?

This is in a lesson about acids, bases, and pH.

07/09/14

#### This is a question of floors and logarithms and bases and cabbages and kings and why the sea is boiling hot and whether pigs have wings.

Ok the literary reference is possibly not part of this question.
Is there a function to make x into the highest multiple of 8 the is lower than or equal to x? For instance, 13 would become 8,...
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