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
kirza4 [7]
2 years ago
11

What is the percent by mass (%m/m) concentration of ammonium hydroxide (nh4oh) in a solution prepared by dissolving 8.40 g nh4oh

in 94.60 g of h2o?
Chemistry
1 answer:
Gnom [1K]2 years ago
8 0
If you want to express the concentration in terms of percent mass, then you would have to divide the mass of solute to the mass of solution, then multiply it by 100.

Mass of solute = 8.40 g
Mass of solution = 8.40+94.60 = 103 g

Percent Mass = (8.40/103)*100 = <em>8.16%</em>
You might be interested in
Use the idea of diffuseition to explain how the smell of perfume travel​
pogonyaev
When perfume is sprayed in a room the particles of perfume diffuse with the particles in the air.
6 0
2 years ago
you record the sea temperature at 12 degrees North 45 degrees West to be 27.5 degrees Celcius the humidity to be very high and a
Cerrena [4.2K]
 For a hurricane to form, the sea temperature must be at least 26.7. The temperature of the water in the problem is 27.5. 
Another condition is that there should be little wind in the area. The problem states that there is a very light breeze. Finally, the humidity must be high.
Therefore, it is expected that a hurricane will form at the given location.
4 0
3 years ago
Why do people poop it is for my chemistry class
algol13
The digestive system takes the nutrients from the food you eat as well as the water. The leftover matter is excreted through the body as feces, or poop. Hope I helped :)
3 0
3 years ago
Read 2 more answers
the area that stretches from the highest high-tide line on land out to he point of the continental shelf exposed by he lowest lo
allsm [11]
Is called the Intertidal zone

4 0
3 years ago
Select the correct answer.
Illusion [34]

Answer: the new force will be 1/9 of the original force

Explanation: Please see attachment for explanation

5 0
2 years ago
Other questions:
  • Which would you expect sound to have the greatest speed, 20liter container with 5000 molecules or the 20 liter container with 10
    10·1 answer
  • a block of wood has a mass of 6.0 G and a volume of 12.0 centimeters what is the density of the block of wood​
    12·1 answer
  • What is true of enzymes? They only speed up reactions. They speed up or slow down any reaction in a living thing. They act as ca
    6·2 answers
  • The oxidation of pyruvate is not the only process that generates acetyl-CoA. In particular, fatty acids are broken down through
    5·1 answer
  • Two different samples of solid iron are shiny, can be made into wire, and can rust when exposed to water. Why do the two samples
    14·2 answers
  • Which section of the ocean floor makes up half of the surface of Earth?
    7·2 answers
  • What is your guys ig?
    5·2 answers
  • What is the name for Fe2(CO3)3?
    8·1 answer
  • WILL GIVE BRANLIEST!! EASY BUT I WAS TO LAZY TO LEARN!! WILL FOREVER BE GREATFUL!!!
    10·1 answer
  • Hi, I am trying to calculate the dosage of mg i should be taking per night. I am 135 pounds 5’7.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!