lnnocent lnnocent
  • 22-06-2022
  • Chemistry
contestada

Example 1: Calculate the concentration of NaOH
made by dissolving 0.15mol of NaOH in 250 cm
of solution [Na=23,0=16, H=1].

Respuesta :

jsimpson11000 jsimpson11000
  • 22-06-2022

Answer:

2.4 %

Explanation:

.15 mole  *  ( 23 + 16 + 1) gm / mole =  6 gm in solution

  250 cm^3 of water solvent weighs  250 gm

6 gm / 250 gm = 2.4 %

Answer Link

Otras preguntas

Please help, thanks.
Need the answer quick
Greenhouse gases are essential to support life on earth. true or false HELP YA GIRL OUTT!!!
The Cold War led the United States to intervene in which nation to prevent the spread of communism in Asia
In a certain clothing store, 4 shirts and 6 ties cost $70, and 2 shirts and 4 ties cost $42. What is the cost of each tie? $7 $12 $18
Simplify 2x^2(4x^2+ 9x − 13). 6x^4+ 18x^3− 26x^2 8x^4+ 18x^3− 26x^2 8x^2+ 18x − 26 6x^2+ 18x − 26
They are going TO THE PARK. Verbe tense Question:
Which describes the roll of a vassal
Please explain ASAP I really need to understand this thank you!!!
Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, Q1 at 11.5, median at 12.5, Q3 at 13.5,