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Flashcards in Rates Of Reaction Deck (2)
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1
Q

Experiment 1

A

Add 50cm3 of 40g/dm3 sodium thiosulfate solution and 10cm3 0.2mol HCl
Work out when the cross at the bottom of the conical flask disappears, repeating 3 times as it is quite hard to measure
Decrease by 0.04 mol each time

2
Q

Experiment 2

A

Measure 50cm3 2mol hydrochloric acid into a 100cm3 conical flask
Put a delivery tube, linking it to a half fill trough of water with an upside down measuring cylinder clamped
Add 3cm magnesium ribbon and measure the gas produced every 10 seconds
Repeat with 1 mol