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What is the correct charge of the cation in nickel (III) sulfide? +3 +2 +1 -1
answered
Jun 2, 2021
Chemistry
middle-school
5
votes
211k
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50% In a school, of the students study a language. Of those who study a language, 2 study French. Find the ratio of students who study French to students who do not study French. Give your answer in its
answered
Feb 7, 2021
Mathematics
middle-school
4
votes
157k
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