Concentratia procentuala a unei solutii de etanol obtinuta prin dizolvarea a 2 moli etanol in 408 g apa.

Răspunsul a fost dat de: USER7752
26 Agustus 2025 chimie 5 minute
4.5
104 Vezi 104 comentarii 6 Distribui

Întrebare

Clasă: Education Materie: chimie
Concentratia procentuala a unei solutii de etanol obtinuta prin dizolvarea a 2 moli etanol in 408 g apa.
Întrebare a fost pusă de:
104 Vezi 104 Răspunsuri

Răspuns (104)

Cel mai bun răspuns
(124)
Metanol=2*12+6*1+16=46g/mol
n=m/M
m=2*46=92 g etanol
ms=md+mapa=92+408=500g
c=md/ms*100=92/500*100=18,4%
Răspunsul a fost dat în data 26 Agustus 2025

Articole relevante

Is distrimayorca.site a secure website?

39 Vezi 39 comentarii

What types of products or services might distrimayorca.site offer?

66 Vezi 66 comentarii

How can I find contact information for distrimayorca.site?

58 Vezi 58 comentarii

What is the primary purpose of the website distrimayorca.site?

62 Vezi 62 comentarii

What security measures does distrimaxdistribuidora.site have in place for online transactions?

94 Vezi 94 comentarii

Can I request a quote from distrimaxdistribuidora.site?

55 Vezi 55 comentarii

Does distrimaxdistribuidora.site offer shipping and logistics services?

71 Vezi 71 comentarii

What payment methods does distrimaxdistribuidora.site accept?

61 Vezi 61 comentarii

What are the potential risks of clicking on links to distrimeb.site?

68 Vezi 68 comentarii

What is the significance of the 'distrimeb' part of the domain name?

68 Vezi 68 comentarii

How can I report distrimeb.site if I suspect it's involved in illegal activities?

81 Vezi 81 comentarii

What type of content might I expect to find on distrimeb.site?

62 Vezi 62 comentarii

How can I check if distrimeb.site is safe to visit?

51 Vezi 51 comentarii

Why does Cloudflare actively block 'cracked' Warp/Zeroni methods?

65 Vezi 65 comentarii

Bob And Luc were having a trip on a(1)... From the virgin islands to miami when suddenly the boat(2)... A rock and began (3)...

133 Vezi 133 comentarii

Bonjour ! Quel est la bonne réponse (ou les bonnes)

ABC est un triangle rectangle en A AB= 20cm et BC=29 cm alors AC=....

[tex] \sqrt{1241} \: cm[/tex]
●21cm
●9 cm
● environ 35,22 cm ​

160 Vezi 222 comentarii

When was the starvation year of Jamestown

41 Vezi 41 comentarii

Is this error related to a specific bot or extension?

53 Vezi 53 comentarii