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Topic: How much gram of sorbitol, should I to weigh on the balance?  (Read 6380 times)

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Offline Alex koosha

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How much gram of sorbitol, should I to weigh on the balance?
« on: January 30, 2016, 10:14:54 AM »
I have 4.6 gram of starch and I want to add 30 % of sorbitol to xylan. How much gram of sorbitol, should I weigh on the balance?
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Offline Hunter2

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #1 on: January 30, 2016, 02:20:20 PM »
4,6 g  = 100%. How much is now 30%
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Offline Alex koosha

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #2 on: January 30, 2016, 05:05:12 PM »
Is 1.96 gram of sorbitol needed correct?
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Offline AWK

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #3 on: January 30, 2016, 05:29:15 PM »
starch ≠ xylan
?
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Offline Alex koosha

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #4 on: January 30, 2016, 05:41:37 PM »
Sorry I meant starch not xylan.
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Offline billnotgatez

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #5 on: January 30, 2016, 06:15:43 PM »
As a side question
Are you actually measuring out the stuff or is this theoretical?
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Offline Hunter2

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #6 on: January 30, 2016, 07:00:31 PM »
Quote from: Cyrus the great on January 30, 2016, 05:05:12 PM
Is 1.96 gram of sorbitol needed correct?

How do you calculate that?
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Offline Alex koosha

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #7 on: January 31, 2016, 03:21:49 AM »
I want sorbitol to be 30% of the total amount. So if I have 70 % starch I have 4.6 g and if I want to have 100 % then how much starch it would be which becomes 6.5.

X=4.6*100/70= 6.50
 
Then I deducted 6.5 from 4.6 which it becomes 6.5-4.6=1.96 gram of sorbitol should be added to the starch.
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Offline billnotgatez

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #8 on: January 31, 2016, 04:04:28 AM »
Quote from: Cyrus the great on January 31, 2016, 03:21:49 AM
...
X=4.6*100/70= 6.50
...

Why 6.50 and not 6.57?
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Offline Alex koosha

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #9 on: January 31, 2016, 04:47:18 AM »
Sorry 6.57 and then 1.97 gram of sorbitol.

Is my calculation sounded logical to you?
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Offline AWK

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #10 on: January 31, 2016, 06:20:49 AM »
Every calculation can be checked, in this case using definition of percentage.
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Offline Hunter2

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #11 on: January 31, 2016, 07:51:07 AM »
Quote from: Cyrus the great on January 31, 2016, 04:47:18 AM
Sorry 6.57 and then 1.97 gram of sorbitol.

Is my calculation sounded logical to you?

In the beginning you said you have 4,6 g Starch and want to add 30% of Sorbitol.

In this case its 4,6 g * 0,3 = 1,38 g, what you had to add.
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Offline AWK

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #12 on: January 31, 2016, 11:01:42 AM »
Which one?
Quote
I have 4.6 gram of starch and I want to add 30 % of sorbitol

Quote
I want sorbitol to be 30% of the total amount.

These are two different problems and two different answers!

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Offline Alex koosha

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #13 on: January 31, 2016, 12:32:41 PM »
Thank you for your reply. I meant the 2nd one. I want sorbitol to be 30% of the total amount. So,  what is the correct answer?
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Offline AWK

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Re: How much gram of sorbitol, should I to weigh on the balance?
« Reply #14 on: January 31, 2016, 12:35:23 PM »
Simply checking
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