Chemistry, 19.11.2020 21:40, gomez36495983
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An excited electron of hydrogen emits the least energy when it drops from 1 point
quantum levels *
Level 4 to level 2
level 5 to level 1
level 2 to level 1
O level 2 to level 5
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Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
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A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4β’_h2o what is the mass % of water in the hydrate?
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The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
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Chemistry, 22.06.2019 21:30, imalexiscv
Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. β a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.
Answers: 1
Pl answer quick
An excited electron of hydrogen emits the least energy when it drops from 1 point
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