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frez [133]
4 years ago
9

A ________________ is formed when two or more __________ bond by a covalent bond.

Chemistry
1 answer:
sergey [27]4 years ago
3 0
Compound is formed when two or more atomic bond (or atom)
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How many grams of magnesium metal will react completely with 6.3 liters of 4.5 M HCl? Show all of the work needed to solve this
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The reaction is: Mg + 2HCl -----> MgCl2 + H2 

<span>M = mol / L </span>
<span>mol = M x L = 4.5 mol/L x 6.3 L = 28.4 mol HCl </span>
<span>1 mol Mg reacts with 2 mol HCl </span>
<span>28.4 mol HCl x (1 mol Mg / 2 mol HCl) = 14.2 mol Mg </span>
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<span>14.2 mol Mg x (24.3 g / 1 mol) = 344 g Mg</span>
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