Chemistry, 25.07.2021 05:50 johajackson2014
. Kết quả phân tích cho thấy trong phân tử hơi H2O có 88,809% O và 11,191% H theo khối lượng. Biết nguyên tử khối của O là 15,999. Hãy xác định nguyên tử khối của hiđro.
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In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?
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The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy
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How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal
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. Kết quả phân tích cho thấy trong phân tử hơi H2O có 88,809% O và 11,191% H theo khối lượng. Biết n...
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