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Rom4ik [11]
3 years ago
12

Is magnetism, reactivity, and fluorescence used to identify minerals

Chemistry
1 answer:
valkas [14]3 years ago
6 0
Yes it is used , hope this helps
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When 4.5 mol al react with 11.5 mol hcl, what is the limiting reactant, and how many moles of h2 can be formed?
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1°/ . 2 Al + 6 HCl → 2 AlCl3 + 3 H2 

<span>k1 = n(Al) / 2 = 4,5 / 2 = 2,25 </span>
<span>k2 = n(HCl) / 6 = 11,5 / 6= 1,92 </span>

<span>k2 < k1 ==> HCl is the limiting reactant </span>

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<span>11,5 mol of HCl ---> 3,83 mol of H2 </span>
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