
POST TEST KONSENTRASI LARUTAN (ppm dan M )
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Hard
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
berikut pernyataan yang berkaitan dengan larutan NaCl 50 ppm ..
jumlah zat terlarut 50 g dalam 100 g larutan
NaCl yang dilarutkan 50 mg dalam 100 ml larutan
NaCl yang dilarutkan 50 mg dalam 1000 ml larutan
jumlah zat terlarut 50 g dalam 1 liter larutan
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jika ke dalam 250 ml larutan Asam oksalat dihidrat 200 ppm terdapat zat terlarut sebanyak ... g
50
0,05
0,5
5
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
dalam 100 ml larutan NaCl 100 ppm terdapat ion Na+ sebanyak ..ppm (AR Na = 23 , Cl = 35,5)
3,93
10
23
58,5
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Jika 20 mg Na2CO3 dilarutkan dalam 250 ml menghasilkan ... ppm
80
12,5
500
25
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
jika ditimbang 1,5750 g asam oksalat dihidrat dilarutkan dalam labu ukur 250 ml menghasilkan konsentrasi... M
(AR C : 12 ; O : 16 ; H 1 )
0,1
0,05
0,5
1
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
1,53 g Na2CO3 dilarutkan dalam 100 ml larutan menghasilkan .... M
(AR Na = 23 ; O = 16)
0,1443
0,15
0,4
0,100
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Jika ke dalam larutan NaOH 0,1 mol dalam 1 Liter larutan ditambahkan sejumlah pelarut maka akan menyebabkan ...
jumlah mol bertambah
konsentrasi larutan berkurang
konsentrassi larutan semakin pekat
jumlah zat terlarut berkurang
8.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Prinsip pengenceran larutan yang diketahui molaritasnya adalah
jumlah mol sebelum dan setelah pengenceran berbeda
mol awal lebih sedikit jumlahnya
mol akhir lebih banyak jumlahnya
jumlah mol sebelum dan setelah pengenceran sama
9.
MULTIPLE CHOICE QUESTION
45 sec • 4 pts
Jika ke dalam 500 ml larutan NaOH 0,2 M ditambahkan 1 g zat padat NaOH maka akan menyebabkan berikut ...
konsentrasi akhir berkurang
jumlah mol zat terlarut bertambah
konsentrasi akhir 0,5 M
Jumlah mol zat terlarut tetap
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