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

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

Which sentence type has the rhetorical function of creating strong comparison and contrast statements

Determine the unknown mineral using the information given below. Be sure to use significant figure rules when doing calculations. Mass is shown on the triple be

no dwddddddddddddddddddddddddd

help me with this question

The Hall of Bulls is an example of __________ art. Question 6 options: Minoan Mesopotamian Old Kingdom Paleolithic

What type of drugs cause rapid speech increased heart rate and faster breathing?.

What does the speaker's use of oxymorons suggest about love? the speaker is suggesting that love is necessary even if people fight sometimes. the speaker is sug

30 POINTS PLS HELP 1) If y is the amount of dog food in the bin, and x is the number of days the dogs have been fed, write an equation to represent the amount o

Iron is attracted to magnets and rusts when in the presence of oxygen. Which is true about these properties of iron?

$75 before tax. Disc: 10% Tax: 7%, Tip: 20% what's the total PLEASE help