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
Zanzabum
3 years ago
11

A hydrogen ion [h3o+] concentration of 2.68 x10-3 is best represented by which ph?

Chemistry
1 answer:
Art [367]3 years ago
3 0
Log (number given) = PH
You might be interested in
What is a hypothesis
zmey [24]
<span>A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.</span>
4 0
3 years ago
Read 2 more answers
There are _____ major plates that make up the most of the continents and the Atlantic and Pacific Ocean.
nasty-shy [4]

Answer and Explanation:

<u>D) 7 is the answer</u>

Together, the crust and the upper part of the mantle form the lithosphere, Earth's solid outer shell. This rocky, brittle layer is broken up into seven major and several minor tectonic plates (also known as lithospheric plates) that fit together like puzzle pieces.

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

6 0
3 years ago
Read 2 more answers
Which phase change in an example of an exothermic process?
photoshop1234 [79]
C. liquid to solid  i hope this helps

5 0
3 years ago
Read 2 more answers
At a constant pressure and amount of gas, how are temperature and volume related?
RSB [31]
The volume is directly proportional to the absolute temperature so the answer is A.
7 0
3 years ago
How many molecules are present in 4.21 moles of HBr?​
salantis [7]

Answer:

The answer is

<h3>2.53 × 10²⁴ molecules</h3>

Explanation:

The number of molecules present can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 4.21 × 6.02 × 10²³

We have the final answer as

<h3>2.53 × 10²⁴ molecules</h3>

Hope this helps you

6 0
3 years ago
Other questions:
  • What is the wavelength (in meters) of an electromagnetic wave whose frequency is 2.63 × 1012 s−1?
    9·1 answer
  • A buffer of pH 9.24 is to be prepared from a weak acid and its salt. The best acid from which to prepare the buffer is
    12·1 answer
  • A solution of HCl has H+ = 0.01 M. What is the pH of this solution?–2, –1 ,1 ,2
    13·2 answers
  • A slice of cheese has a mass of 21 g and a volume of 15 cm3. What is the density of the cheese in units of g/cm3 and g/mL?
    11·1 answer
  • Which (3 of the 4) quantities must be conserved in all chemical reactions?
    9·1 answer
  • The voltage of a battery can be changed by altering the _____
    8·1 answer
  • Explane factor affecting stability of alkene?
    8·2 answers
  • Calculate the number of atoms
    15·1 answer
  • How does weathering, erosion and deposition shape the Earth and contribute to the rock cycle
    7·1 answer
  • What temperature do the atoms have for solid
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!