Answer:
N with a charge of (-3) is nitride
Explanation:
Explanation:
Magnesium reacts with dilute hydrochloric acid in a conical flask which is connected to an inverted measuring cylinder in a trough of water. The volume of hydrogen gas produced is measured over a few minutes, and the results are used to plot a graph
This is intended as a class practical. It is best if the students work in pairs because setting up and starting the experiment requires more than one pair of hands. One student can add the magnesium ribbon to the acid and stopper the flask, while the other starts the stopclock. During the experiment, one student can take the readings while the other records them. The experiment itself takes only a few minutes. But allow at least 30 minutes to give students time to set up, take readings and draw graph.
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97.5g NaCl will be produced with 80.0g of O2
Aw, I hope I can help.
1) C
(A meter stick is the only form of measurement that measures distance)
2) C
(other metric units all correspond with other forms of measurement)
3/4) I can’t measure the line physically from my phone but I think you’d be alright!
5) B
(a triple beam balance measures mass!)
6) B
(corresponds with triple beam balance)
7) A: 34.5g B: 104.3g C: 132.5g
8) C
9) A
(a graduated cylinder is the only form of measurement that measures volume)
10) A
(corresponds with a graduated cylinder!)
