Seudónimo Seudónimo
  • 23-04-2022
  • Chemistry
contestada

Calculate the mass of NaOH required to make 0.40 L of a 0.50 M solution

Respuesta :

jsimpson11000 jsimpson11000
  • 24-04-2022

Answer:

8 gm

Explanation:

NaOH molar weight = 22.989   + 15.999 + 1.008 = 39.996 gm

.5 M would contain 1/2 of this per liter = 19.998 gm

now you only want 400/1000 of a liter =   7.9992 gm ~ 8gm

Answer Link

Otras preguntas

1) Find f(x) if it is known that f(5a)=5a−2. 2) Find g(x) if it is known that g(2t)=8t−1.
Kronos Industries bought a desktop for $3,000. It is expected to depreciate at a rate of 10% per year. What will the value of the desktop be in 4 years? Round t
Cacti with very few spines tend to be eaten by animals, and cacti with many spines tend to bepreferred by parasitic insects. This causes cacti with an average n
In the United States, the Federal Reserve Board of Governors controls __________. A. fiscal policy B. monetary policy C. federal policy D. reserve policy
NEED HELP WITH THESE QUESTIONS
Consider the equation y = -2x + 5. Create a table of five ordered pairs that satisfy the equation. What is the y-intercept of the equation? What is the x-interc
Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. Kevin spins the spinner 180 times. Kevin deter
Please help me out :)
Staph the inequality and plot a point in the solution set. Explain how you know the point is a solution. 5x - 3y <15
Type the pronoun and the noun it replaces. Sarah did not go to work because she was ill.