Kuis Amami I Pra UTS
Quiz
•
Chemistry
•
1st - 3rd Grade
•
Practice Problem
•
Hard
Mastuti Widi
Used 13+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengukuran kesadahan air menggunakan metode....
Alkalimetri
Asidimetri
Kompleksometri
Argentometri
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui standarisasi HCl dengan Na2CO3. Sebanyak 10,0 mL Na2CO3 0,02 N dititrasi dengan 8,7 mL HCl. Berapa N HCl ?
0,02
0,021
0,022
0.023
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titik dimana konsentrasi sampel dan titran sama disebut
titik akhir titrasi
titik ekuivalen
titik baku standar
titik dua kurung tutup
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui 10,00 mL sampel air akan ditetapkan kadar kesadahan totalnya menggunakan larutan standar Na2EDTA 0,0197 M. Volume titran yang diperlukan adalah sebanyak 15,0 mL. Berapa kadar kesadahan total pada sampel air?
2757
2857
2957
3757
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di bawah ini yang merupakan pengompleks dari Fe3+
HNO3
SCN-
NaOH
Aquades
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapa volume NaOH 1 N yang dibutuhkan untuk membuat NaOH 0,1 N sebanyak 100
10
100
20
200
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Thoriq ingin membuat larutan standar Fe3+ 10 ppm dari FeCl3. Diketahui Ar Fe3+ = 56, dan Mr FeCl3 = 270,30. Berapa mg FeCl3 yang harus dilarutkan dalam 1 L akuades?
38,27 mg
39,27 mg
48,27 mg
49,29 mg
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