Showing posts with the label analysis of compoundsShow all
stoichiometry
How to Calculate Percentage Purity in Chemistry (With Examples)
When working with chemicals in labs or exams, it’s important to remember that most substances aren’t 100% pure. The percentage purity tells us how…
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mass volume relationship
2023 WAEC Possible Volumetric Analysis
B is a solution of Na 2 CO 3 . nH 2 O prepared by dissolving 5.0g of the hydrated salt in 350cm 3 of solution. A is a solution containing 0.1 mo…
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analysis of compounds
Possible WAEC 2023 Chemistry Practical Salt Analysis
There are two samples of compounds to be examined in this coming examination: zinc oxide and glucose. Glucose is tagged C n and zinc oxide is ta…
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analysis of compounds
WAEC 2023 Chemistry and Biology specimens
CHEMISTRY SPECIMEN In addition to the fitting and reagents normally found in a chemistry laboratory, the following apparatus and materials…
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lead trioxonitrate V
WAEC 2023 Exams Preparatory Class on the Analysis of Lead Trioxonitrate V
The analysis of lead trioxonitrate V can be done using different tests to help identify the ions present in the compound. This tutorial cl…
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