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At 25°C a solution has a hydroxide-ion concentration of 3× 10–5 M. What is its hydronium-ion concentration? What makes the double-stimulation paradigm so complex? 1. Find a such that h(x)=ax^2+3x-8 has a minimum value at x=-2 2. Find c such that f(x)=x^2-6x+c has a vertex on the x-axis.? Is it possible to learn all that there is in math? Which of these elements contains the name of another element within it? Magnesium
Beryllium
Manganese
Platinum?