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Konsep Mol dan Molaritas

Authored by Surya Ningsi

Chemistry

2nd Grade

Used 12+ times

Konsep Mol dan Molaritas
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nama senyawa kimia dari H2OH_2O adalah...

Hidrogen Oksida

Dihidrogen Monoksida

Hidrogen Peroksida

Oksigen Hidroksida

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berapa massa molar (Mr) dari CO2CO_2 ? (C = 12, O = 16)

28 g/mol

32 g/mol

44 g/mol

48 g/mol

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika kita memiliki 2 mol NaClNaCl , berapa massa NaClNaCl tersebut? (Na = 23, Cl = 35.5)

58.5 g

117 g

234 g

292 g

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nama senyawa kimia dari NaOHNaOH adalah...

Natrium Hidroksida

Natrium Oksida

Natrium Hidrat

Natrium Hidroksil

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berapa massa molar (Mr) dari H2SO4H_2SO_4 ? (H = 1, S = 32, O = 16)

98 g/mol

100 g/mol

102 g/mol

104 g/mol

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika kita memiliki 0.5 mol H2OH_2O , berapa jumlah molekul H2OH_2O tersebut? (Avogadro's number = 6.022×10236.022 \times 10^{23} )

3.011×10233.011 \times 10^{23}

6.022×10236.022 \times 10^{23}

1.204×10241.204 \times 10^{24}

2.408×10242.408 \times 10^{24}

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Reaksi kimia yang terjadi saat kita membakar gas metana ( CH4CH_4 ) di udara adalah...

CH4+O2→CO+H2OCH_4 + O_2 \rightarrow CO + H_2O

CH4+2O2→CO2+2H2OCH_4 + 2O_2 \rightarrow CO_2 + 2H_2O

CH4+O2→CO2+H2CH_4 + O_2 \rightarrow CO_2 + H_2

CH4+2O2→CO+2H2OCH_4 + 2O_2 \rightarrow CO + 2H_2O

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