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belka [17]
3 years ago
10

Please help me!!!!!!!!

Chemistry
1 answer:
ValentinkaMS [17]3 years ago
6 0
It is surface runoff
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D . A substance with a pH of 8

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pH 7 and pH 8 are both considered<em> "neutral pH,"</em> thus, solutions with these pH are often used as<em> dishwashing detergents </em>because they do not destroy the surfaces of objects. However, pH 8 is said to be<u> more alkaline in nature</u>. This allows it to destroy the residues, such as <em>fats and oils</em>, in pots and pans. It is the<em> pH of baking soda.</em>

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Answer:

90.2%

Explanation:

% yield = actual yield/ theoretical yield * 100%

% yield = (312/346)*100% = 90.2%

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