【Daily Question】December 20, 2015: Participation +2 Wealth； +3 to 8 wealth for correct answers
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This post was last edited by zjp on 2015-12-22 08:36. To increase the popularity of the chemical analysis section, a \"One Question per Day\" campaign has been launched; this aims to foster active technical exchanges while also providing financial rewards to users. 【Daily Question】 (Single-choice question) It is necessary to prepare a 0.1000 mol/L K2Cr2O7 solution. Which of the following measuring devices is the most suitable? A volumetric flask B measuring cylinder C graduated cylinder D acid burette. Correct answer: A. Post your answer in the replies; participating in the quiz earns you +2 wealth points. Getting all answers correct grants an additional +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or answers (or include detailed calculation processes) will receive extra wealth points as a reward. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions. Note: We will close this post after 24 hours, and at that time we will announce the best reply (the best assistance), as well as the answer and explanation.
A. volumetric flask--------------------------
Now, a 0.1000 mol/L K2Cr2O7 solution needs to be prepared. The most suitable measuring instrument among the following is (A). A volumetric flask B measuring cylinder C graduated flask D acid burette
Now, a 0.1000 mol/L K2Cr2O7 solution needs to be prepared; the most suitable measuring device among the following is (A volumetric flask).
I believe the answer to this question should be A.