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OLEGan [10]
3 years ago
13

'The use of fertillizers only increases air pollution." What is wrong with this statement.

Chemistry
1 answer:
Alex787 [66]3 years ago
3 0

Answer:

doesnt increase air pollution. fertilizers leak into the waters when it rains

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The ph of a fruit juice is 3.2. find the hydronium ion​ concentration, left bracket upper h 3 upper o superscript plus right bra
melomori [17]

pH is referred to as the scale to describe the hydronium ion concentration of a

solution. It is used to measure the acidity or basicity of a solution. pH of an acidic solution is less than 7, a neutral solution is 7, and a basic solution is greater than 7.

pH can be calculated using the formula:

pH = - log [H_{3}O^{+}]

Given the pH of solution is 3.2.

Finding out the concentration of hydronium ion from pH.

pH = - log[H_{3}O^{+}]

3.2 = - log [H_{3}O^{+}]

[H_{3}O^{+}] = 10^{-3.2}

[H_{3}O^{+}] =   6.3 * 10^{-4} M

Therefore, the hydronium ion concetration of the solution is 6.3 * 10^{-4} M

3 0
3 years ago
Determine % yield if a student obtains 45 g of product in an experiment and the theoretical amount is determined to be 50 g
Katen [24]
Percentage yield=(actual yield/theoretical yield) x 100%
= (45/50) x 100%
= 90%
8 0
3 years ago
Please help <br><br> 19.0 kg/0.021 m^3
irina1246 [14]

Answer:

904.8 kg / m3

Explanation:

19.0 kg/0.021 m^3 = 904.761905 kg / m3

6 0
2 years ago
What is the reaction between an acid and a base
galina1969 [7]
They create salt when put together
6 0
3 years ago
Use the equation n2 + 3h2=2nh3 if 8.0g N2 react, how many grams of NH3 will be produced
Eduardwww [97]

the balanced equation for the formation of ammonia is

N₂ + 3H₂ ---> 2NH₃

molar ratio of N₂ to NH₃ is 1:2

mass of N₂ reacted is 8.0 g

therefore number of N₂ moles reacted is - 8.0 g / 28 g/mol = 0.286 mol

according to the molar ratio,

1 mol of N₂ will react to give 2 mol of NH₃, assuming nitrogen is the limiting reactant

therefore 0.286 mol of N₂ should give - 2 x 0.286 mol = 0.572 mol of NH₃

therefore mass of NH₃ formed is - 0.572 mol x 17 g/mol = 9.72 g

a mass of 9.72 mol of NH₃ is formed

6 0
3 years ago
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