7404/1 Chemistry Jun 2019 Quiz | AQA AS Level MCQ
AQA
AS Level
Chemistry (7404)
شهریور
2019
مشاهده نمونه سوال
شامل مباحث:
تعداد سوالات: 15
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
20 دقیقه
پیش نمایش صفحه اول فایل
zivar sushu 25.0 cm$^3$ samples of NaOH solution were taken by pipette from a beaker. These were then titrated with an aqueous solution of ethanoic acid. The concentration of ethanoic acid calculated from the experimental results was found to be lower than the actual value.
Which of these could explain the difference?
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