Thank you for visiting At 20 C the solubility of NaCl is 35 9 g How much water is needed to dissolve 50 g of NaCl. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
At 20°C, approximately 139.3 g of water is needed to dissolve 50 g of NaCl.
Explanation:
The solubility of NaCl in water is affected by temperature. As the temperature increases, the solubility of NaCl also increases. The given solubility of 35.9 g at 20°C means that 35.9 g of NaCl can dissolve in 100 g of water at that temperature. To calculate how much water is needed to dissolve 50 g of NaCl, we can use the proportion:
(35.9 g NaCl) / (100 g water) = (50 g NaCl) / (x g water)
Cross-multiplying and solving for x, we find that approximately 139.3 g of water is needed to dissolve 50 g of NaCl at 20°C.
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