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gladu [14]
3 years ago
12

What resources should the scientist use to research water pollution?

Chemistry
1 answer:
Alla [95]3 years ago
3 0
A scientist needs to check several parameters before coming to a conclusion about the amount of water pollution. The scientists needs to check the amount of dissolved oxygen in the water, temperature of the water, the clarity of the water, the PH level of the water and also the amount of bacteria present in the water. There may be other criteria’s, but the mentioned ones are enough to gauge the amount of pollution in the water. Scientists often takes fish and aquatic plants from the water to be tested to check the amount of pollution indirectly affecting these species.



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3 years ago
1. How many atoms are there in 2.8 moles of carbon? You must show your work to receive credit.
Zolol [24]

Answer:

The answer to your question is

1.-  1.686 x 10²⁴ atoms

2.- 0.25 moles

Explanation:

1.-

              1 mol ---------------- 6.023 x 10²³ atoms

             2.8 moles ----------  x

              x = (2.8 x 6.023 x 10²³) / 1

              x = 1.686 x 10²⁴ atoms

2.-           1 mol ------------------ 6.023 x 10 ²³ molecules

               x moles -------------  1.50 x 10²³ molecules

              x = (1.50 x 10²³ x 1) / 6.023 x 10²³

              x = 0.25 moles                                                      

6 0
3 years ago
Read 2 more answers
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