
الصف الاول الباب 3 الفصل 1 الدرس 2
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Hard
Exam Chemistry
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ما النسبة المئوية (M/M) للمخلول الناتج من إذابة 50g من السكروز فى الماء لعمل محلول كتله 2500ل
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ما النسبة المئوية الكتلية (m/m) للمحلول الناتج من ذوبانg 10 من السكروز فى 240g من الماء
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
كتلة محلول نترات الفضة الذي تركيزه المئوي الكتلي 15.5% ويحتوي على 0.15mol من نترات الفضة تساوي . . . . (Ag=108, N=14, O=16 )
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
4. ما النسبة المئوية (m/m) للمحلول الناتج من إضافة 0.5mol من البوتاسا الكاوية) KOH (إلي 180g من الماء (H=1, O=16, K=39)
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ما كتلة الماء اللازمة لذوبان 20g من كلوريد الماغنسيوم لتكوين محلول تركيزه 30%
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ما التركيز المئوي الكتلي لمحلول حجمه 2L ويحتوي على 10g من السكروز
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
النسبة المئوية الحجمية (v/v) للمحلول الناتج من إضافة20ML من الايثانول إلي كمية من الماء لتكوين محلول حجمه 50MLتساوي
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