You want to determine the amount of water you should add to a 3.50 molar nacl solution in order to prepare 750 milliliters of a 0.50 molar solution. which quantity should you keep constant during your calculation? -moles of solute -moles of solvent -moles of solution -volume of solution

The answer is moles of solute. The concentration equals to the mole number of solutes divides by the volume of water. By diluting to get the new concentration solution you just need to know in this process, the mole number of solute is constant.

If the water vapor content stays the same and the temperature drops, then the relative humidity increases. its vise versa.if the water vapor content stats the same and the temperature rises, the relative humidity decreases. so, yes, i'd say that temperature and humidity have a strong relationship.

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