apd1209 apd1209
  • 18-11-2017
  • Chemistry
contestada

how many grams of NaCl are in a 388.5g sample of a 1.25% (m/m) NaCl solution?

Respuesta :

meerkat18
meerkat18 meerkat18
  • 28-11-2017
The concentration given is a mass percentage of the NaCl solution, as denoted by (m/m). A concentration of 1.25% means that there are 1.25 g of NaCl solute per 100 g of NaCl solution. Thus, 

388.5 g (0.0125) = 4.856 g of NaCl present
Answer Link

Otras preguntas

what stories and legends do people share in America today
Explain why people are interested in inspirational movies,videos,and stories. Why do these movies,videos, and stories make money for the producers and authors?
129,543 rounded to the nearest ten thousand
why is it important that the constitution allows itself to be amended? what might happen if it didn't allow itself to be changed? Use text evidence when necessa
use the number 145,973 write the name of the period that has the digits 145
Five times a number, decreased by 58, is -23. Find the number.
what is scientific notation (9.45 x 10^10) (1.5 x 10^6)
the area of a square ice rink is 404 square yards. To the nearest yard,what is the perimeter of the rink.
WHAT WAS THE SIGNIFICANCE OF JERUSALEM TO JEWS IN EXILE IN BABYLON
What was the basic thought behind Erasmus’ “philosophy of Christ”?