neirabrandon516
07.01.2022 •
Chemistry
Calculate the approximate volume of water that must be added to 250mL of 1.25N solution to make it 0.500 N
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Ответ:
10-A 11- I don't understand
Explanation:
I learned this stuff a few weeks ago! For 10., you have to find the number of Silicon atoms, or Si. There is only 1 Si, and there are no subscripts (little numbers after the element names) so the atoms are 1. If there is no subscript, it is 1, which means the answer is A. For the next question, I don't understand because the answers I'm coming up with are not an answer choice. Sorry for not being able to solve that one. Hope this helps!