Chemistry, 23.03.2021 01:00 jasmineharris121
Give the symbol of an element in group 13 of the periodic table
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Consider the elements bromine and chlorine; which elements has a larger ionic radius ?
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Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
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How many neutrons does an element have if its atomic number is 50 and its mass number is 166
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Condensation happens when water vapor cools. true or false? ?
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Give the symbol of an element in group 13 of the periodic table...
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