Fluorine compounds are added to Melbourne's supplies of drinking water to give a concentration of fluoride ions of about
Fluorine compounds are added to Melbourne's supplies of drinking water to give a concentration of fluoride ions of about 0.90ppm(1ppm=1g in 10^6g) （10的6次方）
a.what amount,in mol,of fluoride is present in 1.0g of Melbourne water?
b.How many fluoride ions would you swallow if you drank a 200ml glass of Melbourne water?(Recall 1ml of water weighs 1 g.)
a.what amount,in mol,of fluoride is present in 1.0g of Melbourne water?
b.How many fluoride ions would you swallow if you drank a 200ml glass of Melbourne water?(Recall 1ml of water weighs 1 g.)
英語人氣：208 ℃時(shí)間：2020-04-01 07:04:21
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