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bogdanovich [222]
2 years ago
13

What could cause a build up of algae which would decrease the amount of oxygen available for the organisms in the river? protect

ing natural vegetation along the river. erosion of the watershed factory pollution fertilizer run off from crops into the river
Chemistry
1 answer:
miv72 [106K]2 years ago
7 0

Answer:

In addition, other pollutants like fertilizers, pesticides, and heavy metals are often attached to the soil particles and wash into the water bodies, causing algal blooms and depleted oxygen, which is deadly to most aquatic life.

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How many grams hydrogen in 4.5 mol H2SO4
swat32
H2SO4 ---> 2H^+ + SO4^2-

Hence n H+ = 9 mols

Mass of H = nM = (9*1) = 9g


Alternately

mass of H2SO4= nM= 4.5*98= 441

Mass of H= mass h2so4 * molar mass of H/molar mass of h2so4
Mass of H= 441 * 2/98 = 9g

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