MoonGirl6527 MoonGirl6527
  • 03-07-2018
  • Chemistry
contestada

What is the molarity of a 2.0 L sodium hydroxide solution containing 10.0 grams of solute?
a.0.80B.0.13C.5.0D.0.25

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 03-07-2018
molar mass NaOH = 39.997 g/mol

number of moles:

n = mass of solute / molar mass

n = 10.0 / 39.997

n = 0.2500 moles

Therefore:

Molarity = moles of solute / volume ( L )

M = 0.2500 / 2.0

M = 0.13 mol/L

Answer B
Answer Link

Otras preguntas

I'm having a hard time with fractions, what is the sum of 2/5 and 2/4
Knowing that a 6.2% Social Security tax is applied to a maximum wage of $106,800, the maximum amount of Social Security tax that could ever be charged in a sing
please help me with those two
which religion was introduced to china by the silk road?
The energy needed to get a reaction started is known as ________________________. activation energy cell energy chemical energy all of the above
zippy is 94 millimeters long and popcorn 8.7 centimeters how much longer is zippy in millimeters
which discovery gave scientists the first evidence for the theory for the theory of plate tectonics
Ordered pairs for y=1/2x-3
If (7, m) is on a circle with center C(−2, 2) and radius 9, what is the value of m?
Amelia takes her two cats sparkle and twinkle to the vet the vet says that sparkle is 464 mm long and twinkle is 46 cm long which of Amelia's cats is longer EXP