1. What is the composition
of Ca(No2)2
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Ответ:
1 Calcium, 2 Nitrogen, and 4 oxygen
Explanation:
there is no number before of after Ca(calcium), so there is only 1. No(nitrogen) has no number next to it so there would be only 1 of it,but there is a 2 after the parenthesis so there is 2 nitrogen (2*1=2). O(oxygen) has a two next to it so there would be only 2 oxygen, but there is a two after the parenthesis so instead there are 4 oxygen because 2*2=4. Hope this helped you <3
Ответ:
Farming
Samuel Slater
Natural Resources
Explanation:
100% right