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
alex41 [277]
3 years ago
5

Which of the following represents the number of moles of a solute in one liter of a solution?

Chemistry
2 answers:
OverLord2011 [107]3 years ago
7 0

Answer:

Q1: 2. Molarity.

Q2: 2.51 x 10⁻³.

Explanation:

<u><em>Q1:</em></u>

  • The molarity is defined as the no. of moles of solute in  one liter of solution.
  • It is can be calculated from the relation: M = (no. of moles of solute)/(Volume in L of the solution).

<u><em>Q2:</em></u>

∵ pH = - log[H₃O⁺]

∴ 2.60 = - log[H₃O⁺]

log[H₃O⁺] = -2.6.

<em>∴ [H₃O⁺] = 2.51 x 10⁻³.</em>

Airida [17]3 years ago
5 0
<h2>Answer:</h2><h3>Part 1</h3>

<u>The right choice is </u><u>(2) Molarity</u>

<h2>Explanation:</h2>

Molarity is denoted by (M) and it is defined as the number of moles of solute (n) divided by the volume (V) of the solution in liters. We must keep in mind that the molarity is defined as moles of solute per liter of solution, not moles of solute per liter of solvent. In stichiometric calculations molarity is a unit of concentration.

<h2>Part 2</h2><h3>Answer:</h3>

T<u>he right choice is </u><u>(3) 2.51 × 10−3 M</u>

<h2>Explanation:</h2>

As per definition of ph

pH = - log[H₃O⁺]

So putting the values

2.60 = - log[H₃O⁺]

log[H₃O⁺] = -2.6.

We get

[H₃O⁺] = 2.51 x 10⁻³

You might be interested in
Which are the main causes of crack growth in rocks over time ??
Verdich [7]
A because it leaves little space in rocks causeing to break over time

6 0
3 years ago
State three natural conditions under which plasmolysis could occur
S_A_V [24]

Answer:

  1. When the cell is placed in salt solution
  2. When leave celss dry
  3. When cells are placed in sugar solution

Explanation:

Hope this helps

4 0
3 years ago
Objects do not need to be touching in order to transfer charge true or false
rewona [7]
False, in all methods of charge transfer, friction, conduction, and induction, they all require at least contact between the objects.
4 0
3 years ago
Read 2 more answers
How do you build a machine dealing with nucleous
Liono4ka [1.6K]
You use a nucleus with inflection on the arm processor.
5 0
3 years ago
PLEASE ANSWER!! I NEED HELP :)
zzz [600]

Answer:

This process is known as doping. It can be done by adding either of two types of impurity to the crystal. (A) By adding electron rich impurities i.e., group 15 elements to the silicon and germanium of group 14 elements.

8 0
3 years ago
Other questions:
  • Use the van der waals equation to calculate the pressure exerted by 1.335 mol of cl2 in a volume of 4.920 l at a temperature of
    6·1 answer
  • As the temperature of a gas decreases, what change occurs in the amount of kinetic energy? The kinetic energy
    8·1 answer
  • In producing a certain drug, one synthetic route involves three steps with percentage yields of 87.2%, 91.1%, and 86.3%. An alte
    10·1 answer
  • Barium nitrate has the formula Ba(NO3)2. Which statement is true about barium nitrate?
    5·1 answer
  • What is the mass of 1.25 mol of zinc ​
    13·1 answer
  • *WILL GIVE A BRAINIEST &amp; 15 POINTS TO THE CORRECT ANSWER*
    8·1 answer
  • A student rubbed a plastic comb with a piece of silk cloth. She held the comb near running water and saw that the stream of
    14·2 answers
  • Which example would result in new cells that are most different from the parent cells?
    9·1 answer
  • The distance between two successive peaks is called
    14·1 answer
  • An ideal gas sample occupies 1.50 L at 25.0 o C and 741 mm Hg. How many moles are there in the sample
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!