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FrontierScience / 1440c195-fba2-48dc-a03d-7b9420891daf / 100 mL of a 0.250 M sodium fluoride (`NaF` ) solution is mixed with 100 mL of a 0.0250 M strontium nitrate (`Sr(NO₃)₂`) solution. Determine the mass of dissolved strontium ions (`…

Problem

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problem

100 mL of a 0.250 M sodium fluoride (`

NaF

` ) solution is mixed with 100 mL of a 0.0250 M strontium nitrate (`

Sr(NO_3)_2

`) solution. Determine the mass of dissolved strontium ions (`

Sr^{2+}

` ) in micrograms and rounded to two decimal places. The solubility product of strontium fluoride (`

SrF_2

` ) is Ksp = `\( 4.33 × 10^{-9} \)` . Ignore the hydrolysis of the fluoride ion and consider the possible precipitation of strontium fluoride (`

SrF_2

` ). Atomic Masses: Sr = 87.6, F = 19.0 Think step by step and solve the problem below. At the end of your response, write your final answer on a new line starting with “FINAL ANSWER”. It should be an answer to the question such as providing a number, mathematical expression, formula, or entity name, without any extra commentary or providing multiple answer attempts.

Plain-text mathematical notation (without MathML)

100 mL of a 0.250 M sodium fluoride (`NaF` ) solution is mixed with 100 mL of a 0.0250 M strontium nitrate (`Sr(NO₃)₂`) solution. Determine the mass of dissolved strontium ions (`Sr^(2+)` ) in micrograms and rounded to two decimal places. The solubility product of strontium fluoride (`SrF₂` ) is Ksp = `\( 4.33 × 10^{-9} \)` . Ignore the hydrolysis of the fluoride ion and consider the possible precipitation of strontium fluoride (`SrF₂` ).

Atomic Masses: Sr = 87.6, F = 19.0

Think step by step and solve the problem below. At the end of your response, write your final answer on a new line starting with “FINAL ANSWER”. It should be an answer to the question such as providing a number, mathematical expression, formula, or entity name, without any extra commentary or providing multiple answer attempts.

Original LaTeX notation

100 mL of a 0.250 M sodium fluoride (`\( NaF \)` ) solution is mixed with 100 mL of a 0.0250 M strontium nitrate (`\( Sr(NO_3)_2 \)`) solution. Determine the mass of dissolved strontium ions (`\( Sr^{2+} \)` ) in micrograms and rounded to two decimal places. The solubility product of strontium fluoride (`\( SrF_2 \)` ) is Ksp = `\( 4.33 × 10^{-9} \)` . Ignore the hydrolysis of the fluoride ion and consider the possible precipitation of strontium fluoride (`\( SrF_2 \)` ).

Atomic Masses: Sr = 87.6, F = 19.0

Think step by step and solve the problem below. At the end of your response, write your final answer on a new line starting with “FINAL ANSWER”. It should be an answer to the question such as providing a number, mathematical expression, formula, or entity name, without any extra commentary or providing multiple answer attempts.

subject

chemistry

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Source and history

upstream_id / Original problem ID: 1440c195-fba2-48dc-a03d-7b9420891daf
task_id: d8dc4c45-0f04-5643-b208-ab3858c133a2
task_key: olympiad--test--1440c195~2dfba2~2d48dc~2da03d~2d7b9420891daf
task_revision_id: 1
config / split: olympiad / test

Official source

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