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dayannesilva2
@dayannesilva2
October 2020
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calcule a massa molecular de PbS e NaCl
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Jiulia
PbS Pb(1x11) + S(1x32) = 11 + 32 = 43u
NaCl Na(1x22) + Cl(1x35) = 22 + 35 = 57u
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NaCl Na(1x22) + Cl(1x35) = 22 + 35 = 57u