Chemistry, 10.11.2021 01:00 jourdanpress
Cân 2,1g NaHCO3 cho vào 250 ml nước cất, ta thu được dung dịch B. Tính pH và đệm năng của dung dịch B. Biết axit H2CO3 có pKa1 = 6,35; pKa2 = 10,33.
Answers: 3
Chemistry, 22.06.2019 02:00, bernicewhite156
Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.
Answers: 2
Chemistry, 22.06.2019 14:50, chem1014
Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.
Answers: 2
Chemistry, 22.06.2019 21:30, MJyoungboy
Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
Answers: 3
Cân 2,1g NaHCO3 cho vào 250 ml nước cất, ta thu được dung dịch B. Tính pH
và đệm năng của dung dịc...
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