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nalleli

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I found the empirical but i don't know how to get the empirical formula for NH2. can anyone help?
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If the ÄH of reaction for the following 2ZnS (s) + O 2(g) = 2ZnO (s) + 2S (s) is -290 kJ, then what is theÄH of reaction for
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2. 562 views
A 4.691 g sample of MgCl2 is dissolved in enough water to give 750. mL of solution. What is the magnesium ion concentration in
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2. 5,484 views

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