
Calcium Carbonate
Authored by labptk1 upnvjt
Chemistry
University
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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Berapakah kadar asam asetat yang didapatkan apabila diketahui volume sampel yang digunakan sebesar 5 ml, volume titran = 12,9667 ml , konsentrasi titran = 0,05 N, Ar C = 12 mg/mmol, Ar H = 1 mg/mmol, dan Ar O = 16 mg/mmol ?
0,778 %
7,78 %
0,00778 %
77,8 %
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apa yang terjadi apabila suatu sampel yang bersifat asam ditetesi indicator phenolphthalein?
Sampel tidak berwarna
Sampel berwarna merah muda
Sampel berwarna merah orange
Sampel berwarna biru pekat
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suatu sampel jika dikatakan mengandung Bi+ dengan menambahkan endapan dengan Na stannit akan terdapat endapan berwarna?
Endapan kuning
Endapan hitam
Endapan coklat kemerahan
Endapan putih
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
NaEDTA merupakan larutan baku sekunder yang digunakan untuk Titrasi di Kompleksometri. Apakah kepanjangan dari EDTA ?
Acid EtilenDiamondTetraAsetil
Acid Etanoldiaminetetraacetid
Acid Etilenediaminepentacetik
Acid Etilenediaminetetraacetic
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Reaksi Ionisasi dari Kalium Permanganat di bawah ini yang benar adalah
K+ + MnO4-
K+ + MnO42-
2K+ + MnO42-
2K+ + MnO42-
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Latifa melakukan titrasi argentometri terjadi reaksi antara titran titrat.pada saat titrasi latifa mengalami suatu kendala dimana saat penitaran pertama larutan latifa mengalami perubahan warna .apa yang harus dilakukan latifa agar terjadi endapan serta perubahan warna
Mengurangi konsentrasi dari AgNO3
Mengurangi jumlah tetesan indicator
Mengurangi konsentrasi indicator
Mengganti sampel
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