الحسابات الكيميائية
Quiz
•
Science
•
12th Grade
•
Medium
sabah m
Used 50+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
عدد جزيئات السكروز في 3.5 مول منه يساوي
2.11x1024
3.01x1024
18.06x1023
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
عدد مولات الكالسيوم في 525 جرام تساوي ( Ca= 40 )
0.132
13.1
21.01
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
احسبي كتلة 2.5 مول من الكروم إذا علمتي أن الكتلة الذرية تساوي 52
130 g
20.8 g
30.5 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1- مجموع كتل المواد المتفاعلة ...................... مجموع كتل المواد الناتجة .
أقل من
يساوي
أكبر من
جميع ماسبق
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
تعتمد الحسابات الكيميائية علي
النسب المولية الثابتة
قانون حفظ الكتلة
ثابت أفوجادرو
قانون حفظ المادة
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
الكتلة المولية لمادة تساوي كتلة ..... من تلك المادة
واحد مول
مولين
ثلاث مولات
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
لإجراء الحسابات الكيميائية يجب أن تكون المعادلة موزونه
صح
خطأ
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