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
sammy [17]
3 years ago
15

calculate the (m/v) of nacl of a solution made by diluting 25.0 ml of a 7.50 (m/v)% NaCl solution to a total volume of 75.00 ml

Chemistry
2 answers:
postnew [5]3 years ago
8 0

Answer:

c

Explanation:

Elza [17]3 years ago
7 0

Answer:

2.5%

Explanation:

Given

M1 = 7.50%

M2 = ?

V1 = 25.0mL

V2 = 75.00mL

M1V1=M2V2

7.5x25=M2x75

M2=2.5%

You might be interested in
Explain how Archimedes' principle determines the buoyant force on an object<br> in any fluid medium.
gladu [14]

Answer:

<em>An object in a fluid medium displaces a set amount of fluid upon immersion. Archimedes' principle states that the weight of the displaced fluid is equal to the buoyant force exerted on the object</em>

6 0
3 years ago
What do these observations tell you about the rate and direction of heat flow through each specific type of plastic?
Murljashka [212]

Answer:

Heat is something you can't control

Explanation:

Plastic is something you could control like moving it around

3 0
3 years ago
The key enzyme in the regulation of the citric acid cycle is:.
bixtya [17]

The key enzyme in the regulation of the citric acid cycle is citrate synthase. It functions in the mitochondria.

<h3>Citrate synthase and cellular respiration </h3>

Cellular respiration is a series of reactions that produce ATP by using the energy stores in the chemical bonds of foods.

Cellular respiration is divided into glycolysis, the citric-acid cycle and oxidative phosphorylation.

Citrate synthase is an enzyme found in the mitochondrial matrix, which is involved in the citric acid cycle.

Learn more about cellular respiration here:

brainly.com/question/2809259

3 0
2 years ago
What mass of salt is needed to prepare 600 mL of a 4g/L solution?
OLga [1]
THE ALTERNATIVE IS 4.8g alternative c
5 0
3 years ago
Advantage of modern perodic law ​
mario62 [17]

Answer:

it has made the study of chemistry systematic and easy. it acts as an aid to memory

6 0
2 years ago
Other questions:
  • To determine the concentration of 20.00 mL of an unknown solution of a monoprotic acid, it is titrated with 0.1093 M sodium hydr
    11·1 answer
  • The constant k for a certain reaction is measured at two different temperatures:Temperature K376.0°C 4.8x 10^8280.0°C 2.3 x 10^8
    13·1 answer
  • what is the best description of weathering? A. breakdown of rocks through mechanical or chemical processes. B.when rocks layers
    5·1 answer
  • Which of the following correctly describes the importance of the carbon cycle? to recycle oxygen-based compounds to replenish ni
    7·2 answers
  • You decided to prepare a phosphate buffer from solid sodium dihydrogen phosphate (NaH2PO4) and disodium hydrogen phosphate (Na2H
    14·1 answer
  • Is mud a homogeneous or heterogeneous mixture?
    15·1 answer
  • Calculate the number of moles in 75 g of Glucose
    10·1 answer
  • How many moles of aluminum are equivalent to 4.816 × 1024 atoms?
    5·2 answers
  • What is changes in a chemical reaction
    10·1 answer
  • IF CORRECT ILL GIVE BRAINLIEST
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!