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Rudik [331]
3 years ago
6

The sum of the protons and neutrons in the nucleus of an atom is called the _____?

Chemistry
1 answer:
True [87]3 years ago
4 0
The sun of the protons a D neutrons in the nucleus of an atom is called the ATOMIC MASS
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How many grams of Pb are contained in a mixture of 0.135 kg each of PbCl(OH) and Pb2Cl2CO3?
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Hey there!:

Given the mass of PbCl(OH) :

0.135 Kg = 0.135 Kg*(1000g / 1Kg)  = 135 g

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Hence mass of Pb in 135 g  PbCl(OH)  :

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Mass of Pb present in 1 mol (=545 g / mol) of Pb2Cl2CO3  = 2*207 = 414 g

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