配套习题- 元素质量比的计算（下） -【青果学院】

1/5单选题

难度：

1.

1个CO₂分子和1个SO₂分子中，一样多的是

A	氧分子数
B	氧原子数
C	电子数
D	氧元素的质量分数

正确答案：Qg==

PFA+5rOo5oSP5Z+65pys5qaC5b+15Y2z5Y+v44CC5Lik54mp6LSo5rKh5pyJ5rCn5YiG5a2Q77yM55S15a2Q5pWw5Lmf5LiN55u45ZCM44CCPC9QPg==

2/5单选题

难度：

2.

两种化合物CH₄、C₂H₂中若含有碳元素的质量相同，则含有氢元素的质量比为

A	2:1
B	4:1
C	4: 3
D	1:2

正确答案：Qg==

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

3/5单选题

难度：

3.

要使CO和CO₂含有相同质量的氧元素，CO和CO₂的质量比为_______

A	14：11
B	7：11
C	11：14
D	11：7

正确答案：QQ==

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

4/5单选题

难度：

4.

质量相等的CO和CO₂中，氧元素的质量比为

A	11：7
B	14：7
C	7：11
D	16：7

正确答案：QQ==

PHA+Q0/kuI5DTzxzdWI+Mjwvc3ViPueahOebuOWvueWIhuWtkOi0qOmHj+S5i+avlOS4ujI477yaNDQ9NzoxMe+8jOetiei0qOmHj+aXtu+8jOWIhuWtkOaVsOS5i+avlOS4juS7luS7rOeahOebuOWvueWIhuWtkOi0qOmHj+S5i+avlOaYr+aIkOWPjeavlOeahO+8jOS5n+WwseaYrzExOjfjgILlm6DmraTvvIzmsKflhYPntKDnmoTotKjph4/mr5TkuZ/lsLHmmK8xMTo344CCPGJyPjwvcD48cD48YnI+PC9wPg==

5/5单选题

难度：

5.

等质量的CO₂和SO₂，求分子个数之比，原子总数之比，氧原子质量之比是多少

A	16 ：11；16：11；16：11
B	11：16；16：11；16：11
C	16 ：11；11：16；16：11
D	16 ：11；11：16；11：16

正确答案：QQ==

PHA+55u45a+55YiG5a2Q6LSo6YeP5q+UPTQ0OjY0PTExOjE2PC9wPjxwPuaJgOS7pe+8jOWIhuWtkOS4quaVsOavlD0xNjoxMTxicj7ljp/lrZDkuKrmlbDmr5Q95YiG5a2Q5pWww5fmr4/liIblrZDlkKvljp/lrZDkuKrmlbDkuYvmr5Q9MTbDlzMg77yaMTHDlzM9MTbvvJoxMTxicj7pg73mmK8y5LiqT+WOn+WtkO+8jOawp+WOn+WtkOS5i+avlD3liIblrZDkuYvmr5Q9MTbvvJoxMTwvcD4=