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Musya8 [376]
3 years ago
6

Which of the following lists includes only molecules?

Chemistry
1 answer:
siniylev [52]3 years ago
5 0
We are unable to see any list? Can you provide one?
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Seawater is typically 3.5% salt and has a density of 1.03 g/mL. How many grams of salt would be needed to prepare enough seawate
Bas_tet [7]

Answer:

Amount of salt needed is around 2.3*10³ g

Explanation:

The salt content in sea water = 3.5 %

This implies that there is 3.5 g salt in 100 g sea water

Density of seawater = 1.03 g/ml

Volume of seawater = volume of tank = 62.5 L = 62500 ml

Therefore, the amount of seawater required is:

=Density*Volume = 1.03g/ml*62500ml = 6.44*10^{4} g

The amount of salt needed for the calculated amount of seawater is:

=\frac{6.44*10^{4}g\ water*3.5g\ salt }{100g\ water} =2254 g =2.3*10^{3} g

8 0
3 years ago
Plz Help Will Upvote
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3 years ago
Something to be thankful for as science contribution
Nataliya [291]

Answer:

yes something is contributed for science because today is the age of science

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Which of the following changes depending on the strength of the gravity field it is in?
Lelechka [254]
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Explanation:

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