15℃时,KNO3的溶解度为25g,现有15%的KNO3溶液500g,欲在15℃时,从溶液中析出37.5gKNO3晶体,问需要蒸发掉水()克。
The computerized doll()the quality test.
20℃时50克KNO3的饱和溶液蒸干,得到KNO3固体12克,则KNO3在20℃时的溶解度为()。
KNO3饱和溶液(25℃,相对湿度92.5%)常用于影响因素试验。
Since 1959 more and more people are in the market for the Barbie doll.
在密闭的容器中,KNO3饱和溶液与其水蒸气呈平衡,并且存在着从溶液中析出的细小KNO3晶体,该系统中自由度为()。
Doll House是一家盈利状况较好的公司,计划向产品线引进一种新型玩具。新玩具的销售价格和成本如下。 https://assets.asklib.com/images/image2/2018052711223962824.jpg 如果生产和销售10,000件新玩具,那么对于Doll House公司的利润(亏损)的影响是 ()
(NH4)2SO4属()性盐,KNO3属生理碱性盐。
KNO3的溶解度在t1℃时为50g,t2℃时为30g,若将t1℃时KNO3饱和溶液冷却到t2℃时,有24gKNO3晶体析出,则原饱和溶液是()克。
KNO3,作为氮源培养微生物被称为生理碱性盐。()
在配位分子 3KNO 2 .Co(NO 3 ) 2 中,配位数为( )
In Bluest Eyes, Claudia cherishes the white doll as a Christmas gift.
Matryoshka dolls, also known as nesting dolls or Russian dolls (俄罗斯套娃), are often used to interpret the concept of hierarchy.
The most popular sets of Hina dolls generally cost around ________.
These dolls represent a royal family inJapanabout ________years ago, in Heian period.
Hinamatsuri, also called Doll’s Day or Girls’ Day, is a special Day in Korea.
Don’t forget Ann wants a big doll, ______?
Which of the following statements is NOT true of the Barbie doll?
Where did Ruth Handler’s inspiration for the design of the Barbie doll come from?
在70℃时,KNO3的溶解度是135g,问:(1)70℃时,100g饱和溶...
在70度时KNO3的溶解度为135克,70度时,100克饱和溶液中含有多少克KNO3?
在70度时,KNO3的溶解度为135克,70度时,溶解100克KNO3至少需要加水多少克?
测定火药密度时,如试样中含有KNO<sub>3<£¯sub>,就不能用水作介质。()
In one year, about twenty million dolls were bought before Christmas. Dolls were by far ______ Christmas toys.