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Nā Koina Kōmike no S ...
2021-07-09
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Kahe kahe o ka sodium formald ...
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Kekahi mau ʻōlelo aʻoaʻo helu helu #chemical:
Ka manawa: 2021-02-28 Nā Hits: 22
Kekahi mau ʻōlelo aʻoaʻo helu helu #chemical:
Pehea e hoʻololi ai i ka % i ppm?
Pane: e hoonui me 10000
No ka laʻana : 0.002% ×10000=20ppm
Pehea e hoʻololi ai i ka ZnO% i Zn%?
Pane: ZnO% ×0.81=Zn%
No ka laʻana :ZnO 95% ×0.8025=Zn76.24%
ʻOiai ʻo #ZnO molecular weight he 81, #Zn molecular weight is 65, no laila 65/81=0.8025