Предложите получения а) сульфата натрия из гидросульфата натрия; б) гидросульфата натрия из сульфата натрия; в) сульфата натрия из серной кислоты;

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BlackStile BlackStile  05.06.2020 05:09
July was dull. I also went to the movies, only this time with Eva, and then we walked. But most of the time I had to sit my sister Masha. But soon called Pauline and offered me and Dasha together to ride a bicycle on top was fun, but then a heavy rain, and we went to Pauline visit. In late July, I went to visit my grandmother. August was very boring. Very often, in August, I had to look after my sister, so it was hard to find the time to ride a bike or just walk. Most of chat time I played a computer or a mobile phone
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timatimakarov timatimakarov  05.06.2020 05:09
June was fun. In June I swam, sunbathed, went to the cottage. In mid June I went with Her to the movies and after watching the movie we went to an amusement Park. In late June I and Pauline went on to ride bicycles. And so ended June.

July was a bit boring. I also went to the movies, only with Eva, and then we walked. But most of the time I had to sit my sister Masha. But soon called Pauline and asked me and Dasha together to ride a bike, at first it was fun, but then it started to rain heavily, and we went to Pauline in guests. In late July I went to grandma's for a visit.
August was very boring. Very often in August I had to look after my sister, so it was hard to find time to ride a bike or just walk. Most part of time I played in a computer or in the phone
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