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STOIKIOMETRI 1

Authored by dwi maryam

Chemistry

1st Grade

Used 4+ times

STOIKIOMETRI 1
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Pesentase 45 gram garam yang dicampurkandengan 155 air adalah…%

25,50                                                                    

24,75                                                                    

23,75

22,50

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kemolalanlarutan NaCl 10% massadalam air adalah (Mr NaCl = 58,5 )….

1,5 m                                              

1,7 m                                             

1,9 m

2,1 m

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Konsentrasilarutanasamformiat HCOOH 4,6% massadenganmassajenis 1,01 g/mL adalah (Mr CHOOH = 46)…

1,0100 M                                       

0,1001 M                                      

0,010 M

1,0000 M

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dalam suatularutan 16% massanaftalendalam benzene, jikadiketahuiMrnaftalen = 28 dan Mr benzene = 78 makafraksi mol naftalenadalah…

0,204                                                        

0,104                                                        

0,114

1,040

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Suatu larutandenganmolalitas 0,25 m, jikakitagunakan air 250 gram sebagaipelarutmakamassazatterlarutnyaadalah (Mrt  = 60)…

0,75 gram                                                             

1,75 gram                                                             

2,75 gram

3,75 gram

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bila bobotmolekulfruktosa 180, makamolalitasfruktosa 10% adalah…

0,82 m                                                                  

0,72 m                                                                  

0,62 m

0,52 m

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Volume uap air yang dapatditambahkan pada 250 mL larutan H2SO4 0,3 M untukmendapatkanlarutan H2SO4 dengankonsentrasi 0,1 M adalah…

250 mL                                                                 

500 mL                                                                 

750 Ml

1000 mL

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