Irvine Valley College Grubbs Test & Qualitative Analysis Pre Lab Assignment

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Please do this pre-lab about qualitative analysis which includes accuracy and precision questions. Grubbs test, standard deviation

Irvine Valley College Grubbs Test & Qualitative Analysis Pre Lab Assignment
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Irvine Valley College Grubbs Test & Qualitative Analysis Pre Lab Assignment
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Irvine Valley College Grubbs Test & Qualitative Analysis Pre Lab Assignment
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Irvine Valley College Grubbs Test & Qualitative Analysis Pre Lab Assignment
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Running head: PRE-LAB ASSIGNMENT

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Pre-Lab Assignment

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PRE-LAB ASSIGNMENT
Pre-Lab Assignment
1. What is a flame test used to identify
A flame test is used to identify visually the presence of unknown metal or
metalloid ion based on the characteristic color that the flame of the burner turns into at
the presence of the salt.
2. An aqueous solution of a given unknown chemical yielded the following information:
yellow-green flame test, solid formed when mixed with AgNO3 (aq), bubbles formed
when mixed with HCL (aq). Use your observations from experiment 1 to determine a
reasonable identity of the unknown and briefly explain your reasoning. It does not have
to be a substance that you tested in experiment 1.
The aqueous solution was manganese (II) oxide. This is because manganese
produces a yellow-green color during the flame test. When reacted with AgNO3 (aq), it
forms AgCl2, which is solid. When reacted with aqueous HCL, it produces chlorine gas.
3. Give an example of two aqueous solutions you have used in this course, which, when
mixed, will form a solid.
Silver nitrate and manganese (II) oxide.
AgNO3(aq) + MnCl2 (aq) - AgCl2 (s) + MnNO3 (aq)
4. Give an ...

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