bobboby bobboby

18-05-2018
Chemistry

contestada

how many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution

Respuesta :

kenmyna kenmyna

27-05-2018

The number of grams of NaOH that are needed to make 500 ml of 2.5 M NaOH solution

calculate the number of moles =molarity x volume/1000

= 2.5 x 500/1000 = 1.25 moles

mass = moles x molar mass of NaOH

= 1.25 x40= 50 grams of NaOH

Answer Link

Otras preguntas

FILL THE BLANK. a(n) _____ program is any program that acts without a user's knowledge, deliberately changes the computer's operations, and does varying degrees

The volume of a sample of gas is 2.00 L when the temperature is 111C. While the pressure remains constant the temperature is changed to a new value which causes

sharks have cargilaginous ksleetons because bone forming ability had not yet evolved in vertebrates when they orginated ____

what installation media source is the most common source for linux packages?

2x + 3y = 18 y= -6x -2

an example of a well-known new york theatre critic is A. annie baker. B. bernard shaw. C. hilton als. D charles ncnulty.

The upper-left coordinates on a rectangle are (-3,2), and the upper-right coordinates are (6,2). The rectangle has a perimeter of 30 units.

Yoshie is an athlete who runs each day as a part of her training routine. On one day, she began at the athletic center and ran at a constant rate of 6 miles per

|12-6x|+52=42 Solve for x

Please help with this congruence question