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【简答题】
标准状况下，1体积水中能溶解500体积的HCl气体。若向1 L水中通入标准状况下的448 L HCl气体，假设气体完全溶解。 （1）若所得溶液密度为1.2 g/cm 3 ，则溶液中含HCl物质的量浓度为 ； （2）从该溶液中取出10 mL浓盐酸溶解于水配制成500 mL溶液，配制后的稀溶液中含HCl物质的量浓度为 。 （3）在用浓盐酸配制上述稀盐酸时，所用仪器中，使用前必须检查是否漏液的仪器有 ；配制过程中，造成浓度偏低的操作可能有_______________（选填下列操作的序号）。 A．容量瓶蒸馏水洗后未加干燥 B．量筒用蒸馏水洗后未干燥 C．将烧杯中浓盐酸移入容量瓶后，未用水洗涤烧杯，即向容量中加水到刻度 D．用胶头滴管向容量瓶中加水时，不慎超过刻度线，用另外胶头滴管从瓶中吸出部分溶液使剩余溶液刚巧达刻度线 E、，俯视液面加水至刻度线
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参考答案：
举一反三
【单选题】Why does the woman advise the man the sublet?
A.
Because it's convenient.
B.
Because the man doesn't need to spend money on furniture.
C.
Because the company can save money in the long run.
D.
Because the company doesn't have to buy furniture for the man.
查看完整题目与答案
【简答题】”最是那一低头的温柔,像一朵水莲花不胜凉风的“出自徐志摩的诗歌( )。
查看完整题目与答案
【简答题】小明和小华在做了“探究影响液体内部压强大小的因素”实验后，又做了课本上“WWW”中的小实验：在饮料瓶中灌满水，然后在瓶的a、b处各扎一个小孔（如图），观察发生的现象。 （1）他们发现从小孔b中射出的水流速度比小孔a中的大，你认为其中的原因是__________________________________________。 （2）经过反复的试验，他们发现从小孔中射出的水流的射程s（从小孔处到落地...
查看完整题目与答案
【简答题】D7 Where does the woman live? Why does the woman give her thanks to he man?
查看完整题目与答案
【单选题】Why does the woman call the man?
A.
To confirm her flight
B.
To arrange for a party
C.
To say goodbye
D.
To make an appointment
查看完整题目与答案
【简答题】如图，在直角坐标系中，点B、C在x轴的负半轴上，点A在y轴的负半轴上，以AC为直径的圆 与AB的延长线交于点D，CD=AO，如果AO＞BO，且AO、BO是关于x的二次方程x 2 -14x+48=0的两个根． （1）求点D的坐标； （2）定义：在直角坐标系中，有点M（m，n），对于直线y=kx+b，当x=m时，y=km+b＞n，则称点M在直线下方；当x=m时，y=km+b=n，则称点M在直线上；当x...
查看完整题目与答案
【判断题】糖化是酿造啤酒的第一道重要工序,它决定产品的种类、质量、产量和成本。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why does the woman call the man?
A.
To tell the man that he has been shortlisted for interview.
B.
To ask the man a few questions about his interview.
C.
To tell the man the procedure of the interview.
D.
To explain to the man how to make a presentation.
查看完整题目与答案
【单选题】Why does the woman call the man ?
A.
She plans to have the man make a tour arrangement for her.
B.
She hopes that he could give her some advice on writing.
C.
She wants to get some suggestions about traveling.
D.
She complains to him about her boring holiday.
查看完整题目与答案
【单选题】Why does the woman tell the story of the Japanese woman?
A.
To show her sympathy for the Japanese.
B.
To give a good example.
C.
To show their friendship.
D.
To kill time.
查看完整题目与答案
相关题目：
【单选题】Why does the woman advise the man the sublet?
A.
Because it's convenient.
B.
Because the man doesn't need to spend money on furniture.
C.
Because the company can save money in the long run.
D.
Because the company doesn't have to buy furniture for the man.
查看完整题目与答案
【简答题】”最是那一低头的温柔,像一朵水莲花不胜凉风的“出自徐志摩的诗歌( )。
查看完整题目与答案
【简答题】小明和小华在做了“探究影响液体内部压强大小的因素”实验后，又做了课本上“WWW”中的小实验：在饮料瓶中灌满水，然后在瓶的a、b处各扎一个小孔（如图），观察发生的现象。 （1）他们发现从小孔b中射出的水流速度比小孔a中的大，你认为其中的原因是__________________________________________。 （2）经过反复的试验，他们发现从小孔中射出的水流的射程s（从小孔处到落地...
查看完整题目与答案
【简答题】D7 Where does the woman live? Why does the woman give her thanks to he man?
查看完整题目与答案
【单选题】Why does the woman call the man?
A.
To confirm her flight
B.
To arrange for a party
C.
To say goodbye
D.
To make an appointment
查看完整题目与答案
【简答题】如图，在直角坐标系中，点B、C在x轴的负半轴上，点A在y轴的负半轴上，以AC为直径的圆 与AB的延长线交于点D，CD=AO，如果AO＞BO，且AO、BO是关于x的二次方程x 2 -14x+48=0的两个根． （1）求点D的坐标； （2）定义：在直角坐标系中，有点M（m，n），对于直线y=kx+b，当x=m时，y=km+b＞n，则称点M在直线下方；当x=m时，y=km+b=n，则称点M在直线上；当x...
查看完整题目与答案
【判断题】糖化是酿造啤酒的第一道重要工序,它决定产品的种类、质量、产量和成本。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why does the woman call the man?
A.
To tell the man that he has been shortlisted for interview.
B.
To ask the man a few questions about his interview.
C.
To tell the man the procedure of the interview.
D.
To explain to the man how to make a presentation.
查看完整题目与答案
【单选题】Why does the woman call the man ?
A.
She plans to have the man make a tour arrangement for her.
B.
She hopes that he could give her some advice on writing.
C.
She wants to get some suggestions about traveling.
D.
She complains to him about her boring holiday.
查看完整题目与答案
【单选题】Why does the woman tell the story of the Japanese woman?
A.
To show her sympathy for the Japanese.
B.
To give a good example.
C.
To show their friendship.
D.
To kill time.
查看完整题目与答案
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