Chapter 3
Chapter 3
Chapter 3
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• Concentrations of H + and OH – are equal in pure<br />
water<br />
• Adding certain solutes, called acids and bases,<br />
modifies the concentrations of H + and OH –<br />
• Biologists use something called the pH scale to<br />
describe whether a solution is acidic or basic<br />
(the opposite of acidic)<br />
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