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]
2 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]2 years ago
8 0

Answer:

c

Explanation:

Elza [17]2 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
Drinking energy drinks make people more hyper. What is the independent variable and the dependent variable?
Andreyy89

Answer:

Hi, There!

<em>Drinking energy drinks make people more hyper. What is the independent variable and the dependent variable?</em>

<em>The independent Vairable is the people drinking the energy drinks.</em>

<em>The Dependent variable is is the result which makes people more hyper</em>

Hope this Helps!

5 0
3 years ago
Read 2 more answers
How many grams of H2Oare produced when 5.38g of O2<br> is reacted?
likoan [24]

Answer:

I think this answer should be 2.33 g H2O

6 0
3 years ago
A catalyst can speed up the rate of a given chemical reaction by
hjlf

Decreasing the activation energy needed for the reaction.

4 0
3 years ago
HELP!? #20 Which type of bond is formed when bases pair in DNA? ionic bond covalent bond coordinate bond hydrogen bond
lesya [120]

hydrogen bond, nucleotides in a base pair complement each other which means their shape allows them to bond together with hydrogen bonds.

3 0
3 years ago
Read 2 more answers
Which of the following was NOT one of the components of Dalton's Atomic Theory? (1 point) All elements are composed of tiny indi
bezimeni [28]

Answer: Atoms of one element, however, are never changed into atoms of another element as a result of a chemical reaction.

Explanation:

Dalton's Atomic Theory was proposed in the 20th century by an English Scientist named John Dalton. His theory is postulated as follows:

1) All elements are composed of tiny indivisible particles called atoms.

2) The atoms of any one element are identical to those of any other element. 3) Atoms of different elements can physically mix together or can chemically combine in simple whole-number ratios to form compounds.

However, the final option is NOT one of Dalton's Theory

5 0
3 years ago
Other questions:
  • In a desert, soil containing a mixture of sand and small rocks is exposed to wind erosion. Over time, how would the land surface
    14·2 answers
  • Why does Earthquakes occur?
    9·1 answer
  • A city water district wants to encourage local businesses and homeowners to landscape with drought-tolerant plants. After disapp
    11·1 answer
  • How much of a 1.0 g polonium-214 sample remains after 818 microseconds? The half life of polonium-214 is 163.7 microseconds.​
    10·1 answer
  • A chemistry student weighs out of hypochlorous acid into a volumetric flask and dilutes to the mark with distilled water. He pla
    12·1 answer
  • Hi people senko-San is best wifu change my mind
    7·2 answers
  • 1. BaBr2(aq) + H2SO4(aq) →?<br> please balance the equation and predict the products
    10·1 answer
  • 1. During primary ecological succession, the initial formation of soil helps establish —
    15·1 answer
  • Element
    5·1 answer
  • Substance A has the following properties.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!