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
artcher [175]
2 years ago
11

Để pha 2 lít dung dịch H2SO4 0,1N từ axit đặc 98% (d 1.84g/ml). Cần lấy bao nhiêu ml acid đặc

Chemistry
1 answer:
Ivanshal [37]2 years ago
5 0

Answer:

Cm = Cn/n = 0.1/2 = 0.05 (M)

n = 0.05*2= 0.1 mol

m H2SO4= 0.1*98= 9.8 g

m dd H2SO4= 9.8/ 0.98 =10 g

V= 10/ 1.84 = 5.435 ml

Explanation:

You might be interested in
Which of these provides evidence that a chemical reaction occurs?
harkovskaia [24]

Answer:

Color change, Temprature change, Odor change, Effervescence (Bubbles)

Explanation:

7 0
3 years ago
We participate in the ______________________cycle every time we breathe. tectonic nitrogen phosphorus carbon-oxygen
podryga [215]
Carbon-Oxygen
We breathe in oxygen, we breathe out carbon dioxide.
8 0
3 years ago
Will give brainliest!
lukranit [14]

Answer:

A.

Explanation:

melting of ice will increase water in oceans due to which water in oceans will increase and salinity will decrease. hence, melting of ice caps near the north pole affects salinity of the ocean

5 0
3 years ago
5 Points
GrogVix [38]

Answer:

B

Explanation:

By looking at how seismic waves change speeds as they travel

through Earth

3 0
3 years ago
Read 2 more answers
The temperature of a star is 6000K and its luminosity is 1000. Which type of star is it?
Lorico [155]

Answer:

Its probably none of those.

Explanation:

White dwarf temperatures can exceed 100,000 Kelvin according to NASA (that's about 179,500 degrees Fahrenheit). Despite these sweltering temperatures, white dwarfs have a low luminosity as they're so small in size according to NMSU.

4 0
2 years ago
Other questions:
  • 1-Which of the following statements is not a description of Saturn?
    8·2 answers
  • Is potassium borate soluble?
    5·1 answer
  • Considering all types of aerosols, what is their net effect on the climate system:
    7·2 answers
  • Please help me!! I really need help! If you can help explain the work I would really appreciate it! Thank you have a wonderful d
    13·1 answer
  • suppose that recording station N located 200 km north of the epicenter of an earthquake, and recording station S is located 100
    5·1 answer
  • If He(g) has an average kinetic energy of 4790 J/mol under certain conditions, what is the root mean square speed of Cl2(g) mole
    6·1 answer
  • What is the average atomic mass of titanium on that planet
    8·1 answer
  • Asap help <br> It's very important
    10·2 answers
  • The diagrams below represent the four states of matter.
    11·2 answers
  • If you have 90L of water, what is the volume?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!