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s2thaiscardoso
@s2thaiscardoso
March 2022
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Sabendo que a água do mar contém cloreto de sódio (NaCl) na concentração de 0,4 M, determine:
a) Qual concentração de NaCl em g/L?
b) A porcentagem em massa de NaCl.
( Dados: densidade da água do mar = 1,15 g/mL e massa molar do NaCl = 58,5 g/mol)
Por favor me ajudem
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