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Topic: Calculating simple ratios  (Read 1655 times)

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Offline stopkillingme21

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Calculating simple ratios
« on: January 31, 2018, 04:36:50 PM »
We're using 40 mL of Caprolactone in our lab tomorrow. The ratio is Caprolactone : Sn(Oct)2 : 1-octanol

The possibilities for assigned ratios are 100:1:1; 300:1:1; or 600:1:1

So in all 3 cases, we will use 40 mL of Caprolactone. How do I calculate the volume of the other 2 reactants, depending on each ratio?

ANSWER: "Multiply the volume of caprolactone by its density and divide by its molar mass. That gives you the number of moles of caprolactone. Divide that number by 100, 300 or 600 (whichever one it is). For Sn(Oct)2 and 1-octanol multiply that number by its molar mass and divide by its density. Gives you its volume." Thanks Reddit user u/gmsteel
« Last Edit: January 31, 2018, 05:09:06 PM by stopkillingme21 »

Offline sjb

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Re: Calculating simple ratios
« Reply #1 on: January 31, 2018, 04:53:05 PM »
Is the ratio by volume, by moles, by mass, a mixture?

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