What mass of KCl will dissolve in 35g H2O at 80 degrees C
look at your solubility curves.
Find the KCl, where it crosses the 80C line. Read the number. That is usually per 100 g of water, so multiply it by .35.\\http://www.sciencegeek.net/Chemistry/taters/solubility.htm
I read it at 52g/100gwater, or multiplying by .35, about 18 g KCl
To determine the mass of KCl that will dissolve in 35g of water at 80 degrees C, we need to consult the solubility table or graph for KCl at that temperature.
Solubility is typically expressed as grams of solute dissolved in 100 grams of solvent at a given temperature. In this case, we need to find the solubility of KCl in water at 80 degrees C.
Once we find the solubility value, we can calculate the mass of KCl that will dissolve in 35g of water by using proportions.
Here's a step-by-step breakdown of the process:
Step 1: Find the solubility of KCl in water at 80 degrees C. Check reliable sources such as chemical reference books, databases, or reputable scientific websites.
Step 2: Assume we find the solubility to be, for example, 50g of KCl per 100g of water at 80 degrees C.
Step 3: Set up a proportion to calculate the mass of KCl that will dissolve in 35g of water:
Solubility (g KCl / 100g H2O) = X (g KCl) / 35g H2O
Step 4: Cross-multiply and solve for X:
X = (Solubility * 35) / 100
Using the assumed solubility value of 50g KCl per 100g H2O at 80 degrees C, we can substitute it into the equation:
X = (50 * 35) / 100
= 17.5g
Therefore, based on these hypothetical values, approximately 17.5 grams of KCl will dissolve in 35g of water at 80 degrees C. However, remember to consult a reliable source to obtain the accurate solubility value for KCl in water at 80 degrees C.