配套习题- 物质的量浓度和质量分数的换算 -【青果学院】

1/5单选题

难度：

1.已知14mol/L的H₂SO₄溶液的溶质质量分数为80%，那么7mol/L的H₂SO₄溶液的溶质量分数将

A	大于40%
B	等于40%
C	小于40%
D	无法确定

正确答案：QQ==

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

2/5单选题

难度：

2.体积为VmL，密度为dg/ml，溶质的摩尔质量为Mg•mol^-1，物质的量浓度为cmol•L^-1，溶质的质量分数为a%，溶质的质量为mg．下列式子正确的是

A	m=
B	c=
C	c=
D	a%=

正确答案：Qw==

Qe+8jOagueaNrm3vvIjmurbotKjvvIk9be+8iOa6tua2su+8icOXz4nvvIjmurbotKjvvInlj6/nn6XvvIxtPVbDl2TDl2ElPTxpbWcgd2lkdGg9MTggaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvODkvODUvckJBQ0ZGWUtTSXVUdnVYdkFBQUJuUXJ4Wml3MzYyLnBuZyI+77yM5pWFQemUmeivr++8mzxicj5C77yO5qC55o2uYz08aW1nIHdpZHRoPTM3IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0Y2L0Q5L3JCQUNFMVlLU0l1amJSWmlBQUFCd2dqeEVqbzI2MS5wbmciPuWPr+efpe+8jGM9PGltZyB3aWR0aD0xMDUgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQzAvMTAvckJBQ0psWUtTSXZSdGVnd0FBQUNmRF81X2dFODY5LnBuZyI+77yM5pWFQumUmeivr++8mzxicj5D77yMbWfmurbotKjnmoTnianotKjnmoTph489PGltZyB3aWR0aD0zNSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9DMC80RC9yQkFDSjFZS1NJdlFwcXUyQUFBQjgtTXFqY1k4NzgucG5nIj7vvIzmlYU8aW1nIHdpZHRoPTE1NyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC84OS84NS9yQkFDRkZZS1NJdUJLb3RYQUFBRUF3eXR3ZTQyMzkucG5nIj7vvIzmlYVD5q2j56Gu44CCPGJyPkTvvIzmoLnmja5jPTxpbWcgd2lkdGg9MzcgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjYvRDkvckJBQ0UxWUtTSXVqYlJaaUFBQUJ3Z2p4RWpvMjYxLnBuZyI+5Y+Y5b2i77yMPGltZyB3aWR0aD02NyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9DMC8xMC9yQkFDSmxZS1NJeUFHRG9fQUFBQ1FOZEdTaTQ2NzAucG5nIj7vvIzmlYVE6ZSZ6K+v44CCPGJyPuaVhemAiUM=

3/5单选题

难度：

3.用质量分数为ω的浓盐酸（其密度为ρ₁g﹒cm^-3），按浓盐酸与水的体积比为1﹕3配制成稀盐酸（其密度为ρ₂g﹒cm^-3），则所配制稀盐酸的物质的量浓度为

A
B
C
D

正确答案：Qw==

5Luk5rWT55uQ6YW455qE5L2T56ev5Li6MUzvvIzliJnmsLTnmoTkvZPnp6/kuLozTO+8jjxicj7miYDku6XmsK/ljJbmsKLnmoTotKjph4/kuLoxMDAwbUzDl8+BPHN1Yj4xPC9zdWI+Z++5kmNtPHN1cD4tMzwvc3VwPsOXz4k9MTAwMM+BPHN1Yj4xPC9zdWI+z4lnPGJyPua3t+WQiOWQjueogOebkOmFuOeahOi0qOmHj+S4ujEwMDBtTMOXz4E8c3ViPjE8L3N1Yj5n77mSY208c3VwPi0zPC9zdXA+w5crMzAwMG1Mw5cxZy9tTD3vvIgzMDAwKzEwMDDPgTxzdWI+MTwvc3ViPu+8iWfvvI48YnI+5omA5Lul5re35ZCI5ZCO56iA55uQ6YW45Lit5rCv5YyW5rCi55qE6LSo6YeP5YiG5pWw5Li6PGltZyB3aWR0aD0xMjIgaGVpZ2h0PTQ2IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvODkvODUvckJBQ0ZGWUtTSmFCaG5NR0FBQUpFa2t0M184ODQuanBlZyI+PGJyPuaJgOS7peeogOebkOmFuOeahOeJqei0qOeahOmHj+a1k+W6puS4umM9IDxpbWcgd2lkdGg9MzE2IGhlaWdodD04MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0MwLzEwL3JCQUNKbFlLU0phVEk4SkZBQUFSRlhQRG1sVTk3MC5wbmciPuOAgg==

4/5单选题

难度：

4.若以w₁和w₂分别表示物质的量是浓度为c₁mol/L和c₂mol/L氨水溶液的质量分数，已知2w₁=w₂，则下列推断正确的是（已知氨水的密度小于纯水的密度）

A	2c₁=c₂
B	2c₂=c₁
C	c₂＞2c₁
D	c₁＜c₂＜2c₁

正确答案：RA==

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

5/5单选题

难度：

5.某结晶水合物的化学式为A•nH₂O，其相对分子质量为M，在25℃时，ag晶体溶于bg水中即达饱和，形成密度为ρg•mL^-1的溶液，下列表达式正确的是

A	饱和溶液的物质的量浓度为：1000a（M-18n）/M（a+b）mol•L^-1
B	饱和溶液中溶质的质量分数为：100a（M-18n）/M（a+b）%
C	饱和溶液的体积为：（a+b）/ρL
D	25℃时，A的溶解度为：100a（M-18n）/bMg

正确答案：Qg==

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