1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dem82 [27]
3 years ago
11

The concentration of hydrogen in soil sample 13 * 10 ^ - 6 * M the soil is tested with a pH meter, what value should the meter r

ead?
Chemistry
1 answer:
vovikov84 [41]3 years ago
6 0

Answer:

pH = 4.9

Explanation:

Given data

[H⁺] = 13 × 10⁻⁶ M

The pH is a scale used to determine <em>the acidity or basicity of a solution</em>. The pH is related to the concentration of hydrogen ions through the following expression.

pH = -log [H⁺]

pH = -log 13 × 10⁻⁶

pH = 4.9

Since the pH < 7, the soil is considered to be acid.

You might be interested in
How are solutions related to mixtures?
Ilia_Sergeevich [38]
In chemistry, a solution is a homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.
3 0
3 years ago
How are the molecules moving in a cold glass of water compared to in a warm glass of water
taurus [48]
Molecules move faster in a warm glass of water they move slower in a cold glass of water
4 0
3 years ago
Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00-g sample of each compound. One sa
Lapatulllka [165]

I think the correct answers are X2Y and X3Y, X2Y5 and X3Y5, and X4Y2 and X3Y, for the following reason: 

If you look at the combining masses of X and Y in each of the two compounds, 

The first compound contains 0.25g of X combined with 0.75g of Y 
so the ratio (by mass) of X to Y = 1 : 3 

The second compound contains 0.33 g of X combined with 0.67 g of Y 
so the ratio (by mass) of X to Y = 1 : 2 

Now, you suppose to prepare each of these two compounds, starting with the same fixed mass of element Y ( I will choose 12g of Y for an easy calculation!) 

The first compound will then contain 4g of X and 12g of Y 
The second compound will then contain 6g of X and 12g of Y 

<span>The ratio which combined the masses of X and the fixed mass (12g) of Y
= 4 : 6 
<span>or 2 : 3 </span>

So, the ratio of MOLES of X which combined with the fixed amount of Y in the two compounds is also = 2 : 3 </span>

The two compounds given with the plausible formula must therefore contain the same ratio.

8 0
3 years ago
Formula of the compound formed between<br> Cs and I is
Natalija [7]

Answer:The compound created by calcium and chlorine is calcium chloride, and the formula for this compound is CaCl2 .

Explanation:

8 0
3 years ago
What temperature does ice freeze
Gwar [14]

Answer:

32°F

Explanation:

Water freezes at 32°F.

8 0
3 years ago
Read 2 more answers
Other questions:
  • What property is used to calculate the ph of a solution
    7·1 answer
  • Helium decays to form lithium. 6 2 He → 6 3 Li + 0 -1 e This type of nuclear decay is called
    12·2 answers
  • Which color has the longest wavelength?
    12·1 answer
  • Why s orbital does not contain degenerate orbital​
    14·1 answer
  • Classify unopened root beer as an element, a compound, a homogeneous mixture, or a heterogeneous mixture
    10·1 answer
  • Metamorphic rocks with a non-foliated texture show metamorphic change that involves ____.
    14·1 answer
  • The use of microorganism in our day to day life is.................
    7·1 answer
  • How does evidence of chemical
    6·1 answer
  • MAJOR, PLEASE HELP, BRAINEST IF CORRECT
    5·1 answer
  • Which electromagnetic wave type has frequencies higher than the violet of visible light?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!