4. Explain how radioactive isotopes are used to detect health problems.
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The mass percent of sulfurous acid in the new solution : 38.9%
<h3>Further explanation</h3><em>In a container you have 800 g of a 35% by mass solution of sulfurous acid, from which 80 ml of water evaporates. What is the mass percent of sulfurous acid in the new solution? data: density of water is 1g / ml.</em>
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solution 1
composition :
- 35% acid :
- water :
solution 2(new solution)
composition :
- water
- Total mass of new solution after water evaporated
- %mass of acid in a new solution