Identify each of these substances as acidic, basic, or neutral. pure water, pH = 7.0 lake water, pH = 6.5 baking soda solution, pH = 9 soapy water, pH = 12
lake water, pH = 6.5
baking soda solution, pH = 9
soapy water, pH = 12
[H3O+] = 3.16 × 10–4 M
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