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
Ainat [17]
3 years ago
10

Cuántos gramos de hidróxido de sodio (NaOH) se debe de agregar a un litro de agua para obtener una disolución al 25% en masa

Chemistry
1 answer:
Tamiku [17]3 years ago
5 0

Answer:

= 250 gramos

Explanation:

No ha preguntado sobre peso / peso o peso / volumen.

Para w / v:

Simplemente tome el 25% de 1000 y luego agréguelo en 1L de agua

La masa de NaOH necesaria es de 250 g.

Para w / w:

250 gramos de NaOH y 750 g de agua, hará que la solución sea 1L.

You might be interested in
List 3 metals that could replace lead in the compound Pb(NO3)2 in a single replacement reaction.
IrinaVladis [17]

Answer:

AKWIJKNZQSOKQPALQALQPALALQLLKILILI

4 0
3 years ago
Which material is very strong and tough but shows very little elongation as it absorbs energy? spider silk rubber Kevlar® concre
fredd [130]
Rubber...............
5 0
3 years ago
Read 2 more answers
Use the periodic table to select which type of bond is present and which of the listed properties is most likely for each substa
jenyasd209 [6]

Answer:

A = Metallic Bond

B = Strong bonding, strong conductor, high melting and boiling points

Explanation:

Since the bond is between two metals (located in groups 11 and 12), they would experience metallic bonding. Metallically bonded molecules have high melting and boiling points due to the strength of the metallic bond. They also experience strong electrical current due to the there delocalized electrons.

3 0
3 years ago
What do you understand by valency electron and valency shell?​
jasenka [17]

Answer:

<h2>total no. of electron present in Valency shell is called valency electron </h2><h2>___________________</h2>

<h2>valency shell is that in which last electron is present</h2>

7 0
3 years ago
3) Determine the element of the lowest atomic number whose "ground state" contains:
IgorC [24]

Answer:

please follow up with the fair grounds for the fair

7 0
3 years ago
Other questions:
  • Explain how the periodic table is arranged and why it is a helpful tool in our study of chemistry. Write in complete sentences a
    11·1 answer
  • Which quantity is equivalent to 50 kilocalories
    13·1 answer
  • A chemist needs 500.0 mL of a 1.500 M perchloric acid solution. The stockroom provides the chemist with
    13·1 answer
  • A sample of an ideal gas has a volume of 0.500 L at 25 degrees celcius and 1.20 atm pressure. What is its volume at 75 degrees c
    15·1 answer
  • Which of the following molecules or ions is polar? (20 POINTS)
    11·1 answer
  • X is an oxide of nitrogen
    11·1 answer
  • Globular proteins play a critical role in virtually all chemical processes.<br> True or false
    15·1 answer
  • How does salt alter the boiling point and freezing point of water
    11·1 answer
  • A gas is contained in a thick-walled balloon. When the pressure changes from ___ kPa to 114 kPa, the volume changes from 0.654 L
    14·1 answer
  • Which of the following is a compound?<br><br>A) sugar B) salt C)Air D) oxygen​
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!