what is the $\text{h}^+$ concentration in a solution with a $\text{ph}$ of 1.25? round to the nearest hundredth.

$\quad \times 10^n\text{ m}$ $n = \quad$

Question

what is the $\text{h}^+$ concentration in a solution with a $\text{ph}$ of 1.25? round to the nearest hundredth.

$\quad \times 10^n\text{ m}$ $n = \quad$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Scientific Notation" ], "new_concepts": [ "pH Calculation", "Hydrogen Ion Concentration" ], "current_concepts": [ "Scientific Notation", "pH Calculation", "Hydrogen Ion Concentration" ] } ## Calculate hydrogen ion concentration Using the *Scientific Notation* knowledge point $$ \begin{aligned} &[\text{H}^+] = 10^{-\text{pH}} = 10^{-1.25}\ &[\text{H}^+] \approx 0.056234\text{ M} \end{aligned} $$ ## Convert to scientific notation Using the *Scientific Notation* knowledge point $$ \begin{aligned} &0.056234 = 5.6234 \times 10^{-2}\ &\text{Coefficient rounded to nearest hundredth: } 5.62\ &n = -2 \end{aligned} $$ What is the $\text{H}^+$ concentration in a solution with a pH of 1.25? Round to the nearest hundredth. 5.62 $\times 10^n\text{ M}$ $n =$ -2 { "subject": "Natural Science", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Natural Science", "Chemistry", "pH and Hydrogen Ion Concentration" ] }

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Explanation:

Calculate hydrogen ion concentration

Convert to scientific notation

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