
Sztöchiometria 1
Authored by Katalin Forgacs
Chemistry
9th - 12th Grade
Used 2+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Hány dm3 standard állapotú hidrogéngáz képződik, ha 400 gramm cinket sósavval reagáltatunk? (M(Zn)=65,37 g/mol
300 dm3
150 dm3
0,250 dm3
137 dm3
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
250 gramm magnézium égetéséhez hány dm3 normálállapotú oxigéngáz szükséges? M(Mg)=24,3 g/mol
123 dm3
0,230 dm3
115 dm3
126 dm3
0,459 dm3
3.
MULTIPLE CHOICE QUESTION
3 mins • 7 pts
Hány dm3 standardállapotú oxigén szükséges 300 gramm alumínium égetéséhez? Hány dm3 levegőben található meg ez az oxigén mennyiség? M(Al)=27 g/mol
816 dm3 oxigén és 3889 dm3 levegő
272 dm3 oxigén és 1296 dm3 levegő
204 dm3 oxigén és 972 dm3 levegő
363 dm3 oxigén és1728 dm3 levegő
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Hány gramm vas(III)-oxid keletkezik, ha 200 gramm vasat égetünk? M(Fe)=55,85 g/mol M(vas(III)-oxid)=159,7 g/mol
286 g
8919 g
143 g
1144 g
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
150 gramm cinket dobunk sósavoldatba és megvárjuk, hogy teljesen elreagáljon a cink. Hány gramm cink-klorid keletkezik? M(Zn)=65,37 g/mol M(cink-klorid)=136,27 g/mol
72,0 g
625 g
313 g
2,29 g
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
500,0 gramm mészkő hány dm3 0,1000 mol/dm3-es koncentrációjú sósavval lép reakcióba? M(mészkő)=100,09 g/mol
0,010009 dm3
99,91 dm3
50,00 dm3
0,9991 dm3
7.
MULTIPLE CHOICE QUESTION
2 mins • 6 pts
500 milligramm szódabikarbóna hány cm³ 0,1 mol/dm³ koncentrációjú kénsavval lép reakcióba? M(szódabikarbóna)=84,01 g/mol
29758 cm3
59,52 cm3
29,76 cm3
0,02976 cm3
0,2976 cm3
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