Dẫn 1,568 lít khí vào Co2(đkrc) vào 1 dụng dịch có hòa tan 6,4 GMA NAOh . Khối lượng muối thu được sau phản ứng là bao nhiêu

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Bạn tham khảo:

$n_{CO_2}=\dfrac{1,568}{22,4}=0,07(mol)$

$n_{NaOH}=\dfrac{6,4}{40}=0,16(mol)$

$T=\dfrac{0,16}{0,07}=2,28 > 2$
$\to Na_2CO_3$

$2NaOH+CO_2 \to Na_2CO_3+H_2O$

$n_{Na_2CO_3}=n_{CO_2}=0,07(mol)$

$m_{Na_2CO_3}=0,07.106=7,42(g)$

Đáp án:đây nha

 

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