Diketahui massa atom dari Ne adalah 20,383. Maka massa atom relative (Ar) Ne adalah…
ASAS SMKP ALFABIR 2425 ATK XI

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Other
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11th Grade
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Hard
Ati Laillasayyidah
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
20
21
23
38
83
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika massa atom relatif (Ar) dari Na = 23; O = 16; S = 32. Massa molekul relatif dari senyawa Na2SO4 adalah …
23 + 2 + 32 + 16 + 4 = 77
2(23) + (32) + 4(16) = 142
23 + 2(32) + 16 + 4 = 107
4(23) + 1(32) + 2(16) = 156
23 + 32 + 16 = 71
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui Mr glukosa C6H12O6 adalah 180, maka massa molar glukosa adalah….
10 g/mol
18 g/mol
180 g/mol
200 g/mol
360 g/mol
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahui Ar dari Ba = 137, S = 32 dan O = 16, maka massa molekul relatif (Mr) dari BaSO4 adalah..
137
169
185
233
466
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui Ar Al=27, S= 32 dan O= 16, maka massa molar Al2(SO4)3 adalah…
75 g/mol
102 g/mol
150 g/mol
300 g/mol
342 g/mol
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah partikel dalam 0,25 mol N2 sama dengan jumlah partikel dalam ….
0,25 mol CO2
0,5 mol Na
0,75 mol C4H10
1 mol P4
1,25 mol O2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Satu mol gas Fluor (Ar F = 19) ….
Mempunyai massa 6 x 1023 gram
Mempunyai massa 19 gram
Mengandung 6 x 1023 atom
Mengandung 1,2 x 1024 atom
Mengandung 1,2 x 1024 molekul
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