Marco and Jaden are investigating diffusion. They have 12 petri dishes filled with jelly that has been made up with slightly acidic water and universal indicator solution. The jelly is red. Marco and Jaden have cut circles from the center of the jelly using a cork borer. They have been given four bottles of sodium Hydroxide of different concentrations. The bottles are labelled A, B, C and D. The student place a measured volume of the sodium Hydroxide from bottle A into the well in the jelly. After 10 minutes they mark and measure how far the Sodium Hydroxide has diffused into the jelly. They repeat the test twice more. They do this for the Sodium Hydroxide from bottle B, C and D. Here are their results. a. What safety precautions should Marco Jaden take?
2
SEE ANSWERS
Log in to add comment
Answer
2.0/5
1
WHAT IS THE PRECAUTIONS.
Answers
Answered by
2
Answer:
Marco and Jaden are investigating diffusion. They have 12 petri dishes filled with jelly that has been made up with slightly acidic water and universal indicator solution. The jelly is red.
Answered by
0
Answer:
They should be very careful during this experiment
Explanation:
a) They should wear goggles and gloves
b) When hydrogen atoms move into the agar tube the color of the cube changes, then we know how far it has diffused.
c) bottle A is wrong
d) A: 3.2
B: 0.6
C: 2.16
D: 1.6
e) A
f) because it has the most strongest mean from all so its the strongest
Similar questions