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2 changed files with 9 additions and 5 deletions
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"checkpointList": [
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"checkpointList": [
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{
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{
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"path": "/",
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"path": "/",
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"date": "2022-01-27",
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"date": "2022-01-28",
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"size": 775378
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"size": 775385
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}
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}
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],
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],
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"activityHistory": [
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"activityHistory": [
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{
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{
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"date": "2022-01-27",
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"date": "2022-01-27",
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"value": 423
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"value": 423
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},
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{
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"date": "2022-01-28",
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"value": 45
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}
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}
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]
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}
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}
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@ -2,13 +2,13 @@
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tags: [ech]
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tags: [ech]
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---
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---
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# Výpočty ze stechiometrických vzorců
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# Výpočty ze stechiometrických vzorců
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$M$ - molární hmotnost
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## Hmotnostní zlomek
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## Hmotnostní zlomek
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- prvku v sloučenině
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- prvku v sloučenině
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$$w(A) = \frac{m(A)}{m(AxBy)} = \frac{xAr(A)}{Mr(AxBy)}$$
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$$w(A) = \frac{m(A)}{m(AxBy)} = \frac{xAr(A)}{Mr(AxBy)}$$
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$$M_{AxBy} = xM_a + yM_b$$
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- látky ve směsi
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- látky ve směsi
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$$
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$$
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w(A) = \frac{m(A)}{m(celk.)}
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w(A) = \frac{m(A)}{m(celk.)}
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$$
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$$
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- bezrozměrné číslo
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- bezrozměrné číslo
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