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Bogdan [553]
3 years ago
6

Read the volume of the fluid of the graduated cylinder above. Note that each interval is equal to 0.2ml

Chemistry
1 answer:
Ivan3 years ago
4 0

The volume of the liquid = 8.7 ml

<h3>Further explanation</h3>

Graduated cylinder is a laboratory tool used to measure the volume of liquid

Also called a measuring cylinder

Each line (marked line) on this cylinder shows a scale that shows the total volume of water.

The reading is based on a curve of the fluid formed called the meniscus. Read the measurement of the amount of fluid at the bottom of the meniscus (the position of our eyes is parallel to the level of the meniscus and the cylinder is located in a flat (not tilted) place

If we look at the picture (attached), the meniscus is located between the scale / line 8.6 and 8.8(interval 0.2 ml), so the volume of the liquid shows the number 8.7 ml

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The reaction involved in present case is:

Net Reaction: Ca   +    1/2 O2    →         CaO. ..................(1)

In terms of oxidation and reduction, the reaction can be shown at

Oxidation: Ca     →       Ca2+      +       2e- .................(2)
Reduction: 1/2O2    +   2e-      →      O2-...................(3)

From, reaction 1 it can be seen that 1 mol of Ca reacts with 1/2 mol of O2 to form 1 mol of CaO.

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REY [17]

hey mate here is ur answer

solution

mass{m}=3 gram

             =3/1000

             

volume{v}=16cm

                =16/100

               

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6 0
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