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
trasher [3.6K]
3 years ago
8

How many moles are there in 140.g of potassium bromid

Chemistry
1 answer:
Darina [25.2K]3 years ago
4 0
Molar mass KBr = 119.0 g/mol

1 mole ------- 119.0 g
? mole ------- 140 g

moles = 140 * 1 / 119.0

= 1.176 moles of KBr

hope this helps!
You might be interested in
If the temperature of a liquid increases the rate of evaporation will do what?
konstantin123 [22]
The rate of evaporation will increase as well.
6 0
3 years ago
The standard enthapy of combustion of solid urea co(nh2)2 is -632kjmol-1 at 298k​
Setler79 [48]

Answer:

The standard enthalpy of combustion of solid urea ((CO(NH2)2) is -632 kJ mol-1 at 298 K and its standard molar entropy is 104.60 J K-1 mol-1

Explanation:

8 0
3 years ago
COPERNICUS WHO WAS IT
mote1985 [20]
N<span>icolaus </span>Copernicus<span> was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun. This is called the heliocentric, or Sun-centered, system.</span>
4 0
3 years ago
Find the mass of 5.82 mol of MgCl2. Round to the nearest tenth.
Oksana_A [137]

Answer:

554.13 grams

Explanation:

8 0
3 years ago
We can change a gas to liquid by the temperature and the pressure. NextReset
USPshnik [31]
We can change a gas to a liquid by INCREASING the temperature and DECREASING the pressure
7 0
3 years ago
Read 2 more answers
Other questions:
  • Calculate the percent ionization of nitrous acid in a solution that is 0.222 M in nitrous acid (HNO3) and 0.278 M in potassium n
    8·1 answer
  • To which class of elements does copper (cu) belong: metal, metalloid, or nonmetal? identify three other elements in this class.
    7·1 answer
  • The fermentation of glucose (C6H12O6) produces ethyl alcohol (C2H5OH) and CO2:
    7·1 answer
  • 40 POINTS write a lab report about types of reactions
    7·2 answers
  • In a typical ecosystem, the largest amount of biomass should be found at which level?
    15·1 answer
  • Explain the concept of molar mass.
    6·1 answer
  • Answer the following question:
    8·2 answers
  • There are moles of carbon present in 100 g of a
    11·1 answer
  • 4. The speed of a wave is 75m/s. If the wavelength of the wave is 5m, what is the frequency of the
    15·2 answers
  • An intermediate step in the production of nitric acid involves the reaction of ammonia with oxygen gas to form nitrogen monoxide
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!