本题目来源于试卷: Tools & Inquiries G.4 Concluding & Evaluating,类别为 IB化学
[单选题]
A student conducted a titro/7 bu;3p5aopn /fkjsation experiment. However, instead of rinsing hics5a793 ++gfvgfuq qm9m,.wi1n lg 1leo;fsd s apparatus 1+f;7gm5sm+uiws 9qlfq9 dc 1glfa 3 .e,ongvwith distilled water, he rinses them with tap water only. What is likely the type of error?
A. Systematic error
B. Random error
C. Both random and systematic errors
D. Neither random nor systematic error
参考答案: B
本题详细解析:
Tap water is a mixture of several compounds, )ulfz c:+hz t63lhq*uchemicals, etc., which can affect the resu )zq+l3htlh cuz6: fu*lts in a way unknown to the student, thus randomly affecting the titration values.
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