Chemistry, 09.09.2021 08:50, sandeebassett3
Cho 10,6 gam sodium carbonate tác dụng vừa đủ với dung dịch hydrochloric acid 7,3% . Sau phản ứng thu được dung dịch X
a) thể tích khí carbon dioxide bay ra
b) tính khối lương dung dịch hydrochloric acid cần dùng
c)tính nồng độ% của dung dịch X
Answers: 1
Chemistry, 22.06.2019 08:00, flakko1899
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Chemistry, 22.06.2019 12:20, tenleywood
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
Answers: 2
Cho 10,6 gam sodium carbonate tác dụng vừa đủ với dung dịch hydrochloric acid 7,3% . Sau phản ứng th...