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sladkih [1.3K]
3 years ago
14

Why not a mosquito net easily.​

Chemistry
2 answers:
Sav [38]3 years ago
6 0

Explanation:

because it's prevents you from getting malaria and from mosquito bites

Margarita [4]3 years ago
3 0

Answer:

because a mosquito net prevent mosquito bites

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what is the total number of grams of NaOH needed to react completely with 196 grams of H2 SO4? regents
8090 [49]

Answer:

160 g

Explanation:

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

For H_2SO_4:-  

Mass of H_2SO_4 = 196 g

Molar mass of H_2SO_4 = 98 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{196\ g}{98\ g/mol}

Moles\ of\ Sulfuric\ acid= 2\ mol

According to the given reaction:

2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O

1 mole of sulfuric acid reacts with 2 moles of NaOH

So,  

2 moles of sulfuric acid reacts with 2*2 moles of NaOH

Moles of NaOH must react = 4 moles

Molar mass of NaOH = 40 g/mol

<u>Mass = Moles*molar mass = 4\times 40\ g = 160 g</u>

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4 years ago
After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scie
sveticcg [70]

Answer:

Attempt to replicate the experiment

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3 years ago
What is the molarity of a solution that contains 0.202 mol KCl in 7.98 L solution?
mr Goodwill [35]

Explanation:

molarity = no. of moles of solute/solution in litres

molarity =0.202/7.98

=0.025 M

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3 years ago
Which practice is an unsustainable way of managing resources?
Sergeeva-Olga [200]

Explanation:

Unsustainable way of managing resources means using resources in an unjustifiable manner, using without keeping in the needs for future generations. That is disobeying the principles of sustainability.

For examples release of toxic industrial wastes in rivers and thus, polluting it. Or, Deforestation of land for agricultural or industrial purposes. Thus, reducing the oxygen carrying capacity of Earth.

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Photosynthesis gas, is called carbon dioxide. Carbon Dioxide in this process is where the plants take in the dioxide and water, which is slowly reduced which gains electrons! :)

Explanation:

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3 years ago
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