Igcse Model Questions Vol1 2019 Chemistry Question 4

Practice practical question 4 from the 2019 Igcse Model Questions Vol1 Chemistry examination. This question covers Mole Concept, Gas laws, Stoichiometry, Experimental errors .

Igcse Model Questions Vol1 2019 Chemistry Practical

Topics: Mole Concept Gas laws Stoichiometry Experimental errors

Question 4 IGCSE_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • practical

A 0.250 g sample of an unknown metal was reacted with excess dilute hydrochloric acid in a gas‑collection apparatus at 298 K and 100 kPa. The volume of hydrogen gas collected was 112.0 mL.

Question Parts

( a )

Outline the experimental arrangement required to collect the hydrogen gas over water. Name the main pieces of apparatus and describe briefly how the set‑up works.

( b )

Calculate the number of moles of hydrogen gas produced. Show all steps and use the appropriate gas constant.

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About This Question

This is Igcse Model Questions Vol1 2019 Chemistry Question 4. It is one of the practical questions from the 2019 Igcse Model Questions Vol1 Chemistry examination.

The question covers Mole Concept, Gas laws, Stoichiometry, Experimental errors .

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