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现有大理石样品12g（主要成分CaCO3，其它成分不与酸反应），向其中加入某未知浓度的盐酸，生成气体的质量与加入盐酸的质量关系如图．请计算： （1）共生成气体二氧化碳的质量是 g （2）所用...
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下列各组物质中的主要成分都可用CaCO3来表示的是
生石灰，石灰石
石灰浆，石灰石
生石灰，石灰水
石灰石，大理石
测定大理石含CaCO3的质量分数取大理石样品12.5g加入盛有100g稀盐酸的烧杯中两者恰好完全反
在一块大理石主要成分是CaCO3上先后滴加1mol/LHCl溶液和0.1mol/LHCl溶液反应快的
现有家庭食用碱样品12g主要成分Na2CO3其它成分不与酸反应向其中加入某未知浓度的盐酸生成气体的质
下列物质中属于酸的是
食盐中的主要成分氯化钠
家用发酵粉的主要成分碳酸氢钠
食醋中的主要成分醋酸
大理石中的主要成分碳酸钙
实验室测量某大理石主要成分的含量时取50g样品加入100g稀盐酸中恰好全反应过滤得滤液111.2g则
40%
30%
25%
35%
实验室通常使用大理石主要成分为CaCO3和稀盐酸反应制取二氧化碳1CaCO3的相对分子质量为2某同学
下列有关大理石的叙述不完全正确的是
大理石板材是一种碱性石材，容易被酸侵蚀而影响使用，因此除极少数石材以外，大理石磨光板一般不宜用于室外饰面
大理石是变质岩，为中性石材
大理石的化学成分是CaCO3和MgCO3为碱性石材
大理石是隐晶结构，为中等硬度石材
大理石是一种重要的建筑材料它的主要成分是
CaCO
3
Ca（OH）
2
CaO
CaCl
2
现有家庭食用碱样品12g主要成分Na2CO3其它成分不与酸反应向其中加入某未知浓度的盐酸生成气体的质
为测定大理石含CaCO3的质量分数取大理石12.5g加入盛有100g稀盐酸的烧杯中两者恰好完全反应假
实验室测定大理石主要成分的含量时取16g含杂质的大理石杂质不溶于水也不与酸反应加入到200g稀盐酸
62.5%
72.5%
80%
82.6%
大理石的主要成分是碳酸钙为测定某大理石样品中碳酸钙的质量分数取10g该大理石样品加入到稀盐酸中恰好
取12g大理石样品溶于94.4g稀盐酸中恰好完全反应经过滤干燥后得到滤渣2g假定大理石样品中所含的杂
现有家庭食用碱样品12g主要成分Na2CO3其它成分不与酸反应向其中加入某未知浓度的盐酸生成气体的质
实验室通常使用大理石主要成分为CaCO3和稀盐酸反应制取二氧化碳某同学称取了12g含CaCO3纯度为
测定大理石含CaCO3的质量分数取大理石12.5g加入盛有100g稀盐酸的烧杯中两者恰好完全反应假设
下列有关大理石的叙述判断叙述不完全正确的是
大理石板材是一种碱性石材，容易被酸侵蚀而影响使用，因此除极少数石材以外，大理石磨光板材一般不宜用于室外饰面
大理石是变质岩，为中性石材
大理石的化学成分是 CaCo3和 MgCo3，为碱性石材
大理石是隐晶结构，为中等硬度石材
我州地处武陵山区具有丰富的天然石灰石大理石主要成分是碳酸钙资源纯度高硬度大是优质的建筑材料.为测定某
大理石的主要成分是
CaO
CaCl
2
Ca(OH)
2
CaCO
3
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