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kotykmax [81]
3 years ago
10

What element has 30 electrons, 35 neutrons and and a mass of 65 amu?

Chemistry
2 answers:
evablogger [386]3 years ago
8 0

The answer is zinc. Zinc has 30 protons which must equal electrons

aalyn [17]3 years ago
8 0
Zinc is the answer!
Hope this helps!
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What is the percent composition of phosphoric acid H3PO4
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Hey there!:

Molar mass H3PO4 = <span>97.9952 g/mol

Atomic Masses :

H = </span><span>1.00794 a.m.u

</span>P = <span>30.973762 a.m.u

</span>O =  15.9994 a.m.u<span>

H % =  [ ( 1.00794 * 3 ) / </span> 97.9952  ]  * 100

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P% = <span>31.6074 %

O % = [ ( </span>15.9994 * 4 ) / 97.9952 ] * 100

O% = <span>65.3069 %


Hope this helps!</span>
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