How many grams of sucrose C12H22O11 must be added to ISBN: Get Full Solutions. Problem 57QP How many grams of sucrose C12H22O11 must be added to g of water to give a solution with a vapor pressure 2. Step 3 of 3. Textbook: Chemistry: Atoms First Edition: 1. Other solutions. View Full Material. Use t People also purchased. The orbital diagram that follows shows the valence electrons for a Show how you might use reactions to convert 1 -chlorobutane into t Related chapters.
Which means vapor pressure depends on how many the number of salyut particles that Aaron solution. I'm just gonna write parts right there. Number of cell, you particles that are in solution. I'll give you a little hint here. We're going to be using sucrose as our Salyut. And sucrose is a non electrolyte. And that's important for us because one model of molecule of sucrose when it dissolves, dissolves into one particle.
Each molecule is a self contained particle, and it does doesn't associate into anything else. We'll talk more about the problem on their next's page of this, but I'm going to give you a calculation. The pressure of all right, this little nicer. The pressure of the Salyut is equal to the mole fraction of the solvent in this case, water.
And what times the pressure of the solvent again, in this case, water. Here's the equation we're going to use. If you want to jot that down for reference, it would be a good time to do it. Pause it. Do that. I'm gonna go to the next page. I'm gonna jot this down again. Up here, Salyut equals Here's a mole fraction for a solvent. Multiply that by our so event. Okay, Now let's talk about her.
Problem were asked to solve. Four are unknown. Are junk is grams of sucrose. How many grams of sucrose that's are unknown? Our givens in this problem are we have grams of water. Remember, this is our I'm going to switch colors here. This is our Salyut. This is our so event. That's our solvent. We are also given the following scenario. We are told that the solution the solution vapour pressure is to Mm H G.
And I don't have the correct numbers. Sig figs. Right here. So I better get that, um, 2. The whole systems at 20 degrees, which is waters vapor pressure. So let's go ahead and fill a couple things in here. Now that we know him. R p for Salyut is H G minus 2. I can't get my g in there. Okay, we know that p for my solvent equals These are two of the values that we need. So I have this and I have this The mole fraction.
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