emroeser emroeser
  • 01-11-2016
  • Chemistry
contestada

How many g of nacl do need to make 1.00L of 2.5% w/v solution of nacl in water?

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 03-11-2016
2.5 % w/v ( that means we have 2.5 grams of solute in 100 mL solution )

1.00 mL = 1000 mL therefore:

2.5 g ------------- 100 mL
?? --------------- 1000 mL

1000 x 2.5 / 100 => 25.0 g of NaCl
Answer Link

Otras preguntas

list 4 ways humans cause extinctions
If a sequence is defined recursively by f(0)=2 and f(n+1)=-2f(n)+3 for n is greater than or equal to 0, then f(2) is equal to...?
A committee with members from both the House of Representatives and the Senate is called a __________.
What is the probability of flipping a coin 8 times getting heads 4 times
Vaporized gases and released dust form a bright cloud called a(n) ____ around the solid part of a comet. a. coma c. heart b. core d. nucleus
The spread of Western monasticism was due largely to: a. St. Basil. b. St. Anthony of Egypt. c. St. Benedict.
If Mike does 25.5 J of work lifting a book 1.5 m onto a shelf what is the mass of the book in kilograms
Plants are extremely important to all life on earth. Name things that humans are responsible for that are endangering plants?
Subtract the sum of 71.1 and 3.96 from 112.5
Give an example of a 90 degree angle