Iklan

Pertanyaan

Larutan akan memiliki pH sebesar ….

Larutan Error converting from MathML to accessible text. akan memiliki pH sebesar ….

  1. begin mathsize 14px style 6 minus sign log space 4 , 4 end style 

  2. begin mathsize 14px style 6 minus sign log space square root of 4 , 4 end root end style 

  3. begin mathsize 14px style 6 minus sign log space 8 , 7 end style 

  4. begin mathsize 14px style 6 minus sign log space square root of 4 , 6 end root end style 

  5. begin mathsize 14px style 6 minus sign log space square root of 8 , 7 end root end style 

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

02

:

15

:

44

:

59

Klaim

Iklan

A. Chandra

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

Reaksi ionisasi dan hidrolisis garam: Spesi adalah dalam air. Garam diketahui bersifat asam sehingga persamaan matematis hidrolisisnya menjadi Jangan lupa, ion yang terhidrolisis terbentuk 2 kali dari konsentrasi garam sehingga

Reaksi ionisasi dan hidrolisis garam:

begin mathsize 14px style open parentheses C H subscript 3 N H subscript 3 close parentheses subscript 2 S O subscript 4 yields 2 C H subscript 3 N H subscript 3 to the power of plus plus S O subscript 4 to the power of 2 minus sign end exponent C H subscript 3 N H subscript 3 to the power of plus plus H subscript 2 O equilibrium C H subscript 3 N H subscript 3 O H and H to the power of plus sign end style 

Spesi begin mathsize 14px style C H subscript 3 N H subscript 3 O H end style adalah begin mathsize 14px style C H subscript 3 N H subscript 2 end style  dalam air. Garam diketahui bersifat asam sehingga persamaan matematis hidrolisisnya menjadi

begin mathsize 14px style open square brackets H to the power of plus sign close square brackets equals square root of K subscript italic w over K subscript italic b cross times open square brackets C H subscript 3 N H subscript 3 to the power of plus close square brackets end root end style 

Jangan lupa, ion yang terhidrolisis terbentuk 2 kali dari konsentrasi garam sehingga

begin mathsize 14px style open square brackets H to the power of plus sign close square brackets equals square root of fraction numerator 10 to the power of negative sign 14 end exponent over denominator 4 , 6 cross times 10 to the power of negative sign 4 end exponent end fraction cross times open square brackets 2 cross times 10 to the power of negative sign 1 end exponent close square brackets cross times 2 end root open square brackets H to the power of plus sign close square brackets equals square root of 0 , 87 cross times 10 to the power of negative sign 11 end exponent end root open square brackets H to the power of plus sign close square brackets equals square root of 8 , 7 cross times 10 to the power of negative sign 12 end exponent end root open square brackets H to the power of plus sign close square brackets equals square root of 8 , 7 end root cross times 10 to the power of negative sign 6 end exponent pH equals minus sign log space open square brackets H to the power of plus sign close square brackets pH equals minus sign log space open square brackets square root of 8 , 7 end root cross times 10 to the power of negative sign 6 end exponent close square brackets pH equals 6 minus sign log space square root of 8 , 7 end root   end style 

 

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

2

Iklan

Pertanyaan serupa

Jika padatan suatu garam asam ingin dibuat menjadi dua larutan masing-masing 100 mL dengan berturut-turut pH=4,5 dan pH=5, rasio massa yang dilarutkan adalah ….

19

0.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia