Question

01 - Quantos mols possui 200 g de carbonato de calcio (CaCo.)? 02 - Qual a massa presente em 3,5 mols de HCN?​

Answer 1

Caso tenha problemas para visualizar a resposta experimente abrir pelo navegador https://brainly.com.br/tarefa/36006367

                                                                                     

$\sf c\acute alculo~da~massa~molar:\\\sf m_{CaCO}=23+12+16=51~g/mo\ell\\\sf51~g\longrightarrow 1~mo\ell\\\sf x\longrightarrow 200\\\sf x=200\cdot51\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=102~g}}}}$

$\sf c\acute alculo~da~massa~molar:\\\sf m_{HCN}=1+12+14=27~g/mo\ell\\\sf 27~g\longrightarrow 1~mo\ell\\\sf x\longrightarrow 3,5~mo\ell s\\\sf x=3,5\cdot27\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=94,5~g}}}}$