22 23 TDPLK LATIHAN

22 23 TDPLK LATIHAN

10th Grade - Professional Development

30 Qs

quiz-placeholder

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22 23 TDPLK LATIHAN

22 23 TDPLK LATIHAN

Assessment

Quiz

Chemistry

10th Grade - Professional Development

Practice Problem

Hard

Created by

Nofri Setiawan

Used 7+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jumlah atom Cu, S, H, dan O secara berurutan pada molekul senyawa

CuSO4 . 5H2O adalah

1,2,3,4

1,1,9,10

1,4,5,10

1,1,5,10

1,1,10,9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Hitunglah Mr dari senyawa Fe2(SO4)3 (Fe=56,   S=32,   O= 16)

100

512

126

400

256

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan Berat ekivalen dari senyawa H2C2O4 . 2H2O jika valensinya 2 ! (C=12, O=16, H=1)

126

256

63

252

55

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Hitunglah Molaritas dari 16 gram MgO yang terlarut dalam 500 mL larutan MgO (Mg=24, O=16)

0,2 M
1 M
0,1 M
2 M
0,8 M

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapa gram  H2C2O4 . 2H2O yang harus ditimbang jika ingin membuat 1 Liter larutan 2N? (valensi= 2) (C=12,  O=16,  H=1)

252

504

126

31,5

63

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Seorang produsen handsanitizer ingin memproduksi 250 Liter Handsanitizer dengan kandungan aktif alkohol 70%. Berapa Liter bahan baku Alkohol 96% yang harus ia siapkan? Gunakan rumus pengenceran!

250 L
96 L
70,10 L
128,50 L
182,29 L

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapa gram NaOH yang harus ditimbang jika ingin membuat 250 mL larutan 2M (Na= 23,    O=16,     H=1)

2
24
4
40
20

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