How many grams of ch3oh must be added to water to prepare 325 ml of a solution that is 4.50 mch3oh?

Question

04-03-2018
Chemistry

contestada

How many grams of ch3oh must be added to water to prepare 325 ml of a solution that is 4.50 mch3oh?

Respuesta :

Otras preguntas

If a couple went out to dinner with there four children and the kids meals cost $11.99 each and the adults meal cost 15.99 each how much did the family have to

What might this political cartoon mean by using the image of Pandora in its commentary

To prevent carbon monoxide poisoning, ___________

Which of the following sets of numbers could be the side lengths of a right triangle? 3, 4, and 7 9, 40, and 42 8, 15, and 16 20, 21, and 29

Your task is to mentally design a toy suitable for a 2-6 year-old child, keeping in mind the physical, cognitive and social needs for preschool children. 1-.wha

I want an explanation for number 7 please

why would the results of the civil rights movement be mixed?

The chemical name for sand is silicon dioxide. The two elements found in a sample of this sand are _____ (oxide, sand, silicone) and ____ (carbon, oxygen, sand)

Some victims do not report abuse and violence they are suffering. discuss two reasons why many cases of abuse abd violence are not reported

Dejanras Dejanras · Answer 1 · 2018-03-13T23:15:10+01:00

Dejanras Dejanras

13-03-2018

Answer is: 46,8 grams of methanol must be added.
V(solution) = 325 ml ÷ 1000 ml/l = 0,325 l.
c(CH₃OH) = 4,5 M = 4,5 mol/L.
n(CH₃OH) = V(solution) · c(CH₃OH).
n(CH₃OH) = 0,325 l · 4,5 mol/l.
n(CH₃OH) = 1,4625 mol.
m(CH₃OH) = n(CH₃OH) · M(CH₃OH).
m(CH₃OH) = 1,4625 mol · 32 g/mol.
m(CH₃OH) = 46,8 g.

Answer Link