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{
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"path": "/",
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"date": "2022-02-18",
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"size": 777684
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"size": 778098
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"activityHistory": [
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},
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"date": "2022-02-18",
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"value": 1261
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"value": 1675
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12
notes/ech/Stechiometrické výpočty.md
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12
notes/ech/Stechiometrické výpočty.md
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# Stechiometrické výpočty
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$1Zn + 2HCl \rightarrow H_2 + ZnCl_2$
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$m=10g$ $m=?$
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$\frac{n HCl}{n Zn} = \frac21$ | $*n_{Zn}$ (1 z Zn, 2 z Hcl)
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$n_{HCl}=2*n_{Zn}$
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$n=\frac{m}M$
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$\frac{m_{HCl}}{M_{HCl}} = 2\frac{m_{Zn}}{M_{Zn}}$ | $* M_{HCl}$
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$m_{HCl} = 2\frac{m_{Zn}}{M_{Zn}}M_{HCl}$
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$m_{HCl} = 2\frac{10}{65}*36.5$
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$m_{HCl}=\frac{20*36.5}{65} = 11.23$
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@ -18,6 +18,7 @@ imagePrefix: 'data/'
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- [[ech/radioaktivita|radioaktivita]]
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- [[ech/Ředění|Ředění]]
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- [[ech/Směsi|Směsi]]
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- [[ech/Stechiometrické výpočty|Stechiometrické výpočty]]
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- [[ech/Vazby|Vazby]]
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- [[ech/Veličiny|Veličiny]]
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- [[ech/Výpočty ze stechiometrických vzorců|Výpočty ze stechiometrických vzorců]]
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