1.3moLMg跟多少moLO2恰好完全反映,生成MgO多少moL?______________________________________________________2.0.5moL KClo3完全分解产生O2多少摩尔?这些氧气质量为多少克?___________________
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![1.3moLMg跟多少moLO2恰好完全反映,生成MgO多少moL?______________________________________________________2.0.5moL KClo3完全分解产生O2多少摩尔?这些氧气质量为多少克?___________________](/uploads/image/z/1976092-52-2.jpg?t=1.3moLMg%E8%B7%9F%E5%A4%9A%E5%B0%91moLO2%E6%81%B0%E5%A5%BD%E5%AE%8C%E5%85%A8%E5%8F%8D%E6%98%A0%2C%E7%94%9F%E6%88%90MgO%E5%A4%9A%E5%B0%91moL%3F______________________________________________________2.0.5moL+KClo3%E5%AE%8C%E5%85%A8%E5%88%86%E8%A7%A3%E4%BA%A7%E7%94%9FO2%E5%A4%9A%E5%B0%91%E6%91%A9%E5%B0%94%3F%E8%BF%99%E4%BA%9B%E6%B0%A7%E6%B0%94%E8%B4%A8%E9%87%8F%E4%B8%BA%E5%A4%9A%E5%B0%91%E5%85%8B%3F%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF%EF%BC%BF)
1.3moLMg跟多少moLO2恰好完全反映,生成MgO多少moL?______________________________________________________2.0.5moL KClo3完全分解产生O2多少摩尔?这些氧气质量为多少克?___________________
1.3moLMg跟多少moLO2恰好完全反映,生成MgO多少moL?
______________________________________________________
2.0.5moL KClo3完全分解产生O2多少摩尔?这些氧气质量为多少克?
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3.实验室若要制得0.1moL二氧化碳,需要大理石多少摩尔?
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1.3moLMg跟多少moLO2恰好完全反映,生成MgO多少moL?______________________________________________________2.0.5moL KClo3完全分解产生O2多少摩尔?这些氧气质量为多少克?___________________
2Mg+O2==2MgO 生成3mol
2mol 2mol
3mol 3mol
2KClO3==3O2+2KCl 生成O2 0.75mol 质量2.4g
2mol 3mol
0.5mol 0.75mol m=0.75*32g=2.4g
CaCO3+2HCl==CaCl2+CO2+H2O 需要0.1mol
1mol 1mol
0.1mol 0.1mol
1.因为2Mg+O2=2MgO,所以与3*1/2=1.5mol氧气反应,生成MgO为3mol
2.2KClO3=2KCl+3O2,所以分解产生O2为0.5*3/2=0.75mol.m=M*n=32g/mol*0.75mol=24g
3.CaCO3=CaO+CO2,所以0.1molCO2需要CaCO3为0.1mol
1. 10 2Mg+O2===2Mgo
48 32
3mol 2mol 生成可5moL的MgO
1,1.5 3
2,24g
3,0.1