A solution containing 5 g sodium chloride in 10 g water doesn't exist.
The more concentrated solution is the one containing 18 grams of salt and 90 grams of water. This is because the concentration of the solute (salt) is higher in this solution compared to the solution containing 5 grams of salt and 10 grams of water.
5 grams of salt in 10 grams of water is more concentrated (50%) compared to 18 grams of salt in 90 grams of water (20%).
After 50 grams of water evaporate, you will be left with 50 grams of water in which the 3.0 grams of salt is dissolved. So, your solution will now contain 3.0 grams of salt dissolved in 50 grams of water.
Tricky question. Are you talking about the concentration of salt in the water or the concentration of water in the salt? It is unusual to talk about the concentration of water unless it is dissolved in another solvent like alcohol. Pure water has a constant concentration of 55.6 mol/dm3. Water is more concentrated without salt in it.
The mass of undissolved potassium nitrate is cca. 3 g.
The more concentrated solution is the one containing 18 grams of salt and 90 grams of water. This is because the concentration of the solute (salt) is higher in this solution compared to the solution containing 5 grams of salt and 10 grams of water.
* 50 g salt/100 g water is a more concentrated but a saturated sodium chloride solution (the solubility of NaCl at 20 0C is approx. 36 g/100 mL).* 18 g salt/90 g water is a 20 % sodium chloride solution.The first solution is more concentrated.
5 grams of salt in 10 grams of water is more concentrated (50%) compared to 18 grams of salt in 90 grams of water (20%).
* 50 g salt/100 g water is a more concentrated but a saturated sodium chloride solution (the solubility of NaCl at 20 0C is approx. 36 g/100 mL).* 18 g salt/90 g water is a 20 % sodium chloride solution.The first solution is more concentrated.
* 50 g salt/100 g water is a more concentrated but a saturated sodium chloride solution (the solubility of NaCl at 20 0C is approx. 36 g/100 mL). * 18 g salt/90 g water is a 20 % sodium chloride solution.
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No major effects. The salt water and the water join to become a less concentrated salt solution than the salt water but a more concentrated salt solution than the regular water.
Salt water is a solution of salt, containing of course salt.
5 grams of salt in 75 grams of water = 5 grams of salt in 80 grams of the solution.So the mass concentration = 5/80 = 100*5/80% = 6.25%5 grams of salt in 75 grams of water = 5 grams of salt in 80 grams of the solution.So the mass concentration = 5/80 = 100*5/80% = 6.25%5 grams of salt in 75 grams of water = 5 grams of salt in 80 grams of the solution.So the mass concentration = 5/80 = 100*5/80% = 6.25%5 grams of salt in 75 grams of water = 5 grams of salt in 80 grams of the solution.So the mass concentration = 5/80 = 100*5/80% = 6.25%
After 50 grams of water evaporate, you will be left with 50 grams of water in which the 3.0 grams of salt is dissolved. So, your solution will now contain 3.0 grams of salt dissolved in 50 grams of water.
SALT
Tricky question. Are you talking about the concentration of salt in the water or the concentration of water in the salt? It is unusual to talk about the concentration of water unless it is dissolved in another solvent like alcohol. Pure water has a constant concentration of 55.6 mol/dm3. Water is more concentrated without salt in it.