首页
登录
职称英语
How many cubic centimeters of a solution that contains 15 grams of glucose per 1
How many cubic centimeters of a solution that contains 15 grams of glucose per 1
游客
2024-01-13
40
管理
问题
How many cubic centimeters of a solution that contains 15 grams of glucose per 100 cubic centimeters must be added to 45 cubic centimeters of a solution that contains 25 grams of glucose per 100 cubic centimeters so that the resulting solution is 18 grams of glucose per 100 cubic centimeters?
选项
A、20
B、50
C、60
D、40
E、105
答案
E
解析
设需要n立方厘米这样的solution,那么0.15n+0.25×45=0.18(n+45),于是得到n=105。正确答案为E。
转载请注明原文地址:https://tihaiku.com/zcyy/3359977.html
相关试题推荐
Afterheworkedoutthesolution,______appearedasmileonhisface.A、itB、her
Doyouknowwhataresolutionis?It’sapromise.Mostpromisesaremade【C1】
Doyouknowwhataresolutionis?It’sapromise.Mostpromisesaremade【C1】
Doyouknowwhataresolutionis?It’sapromise.Mostpromisesaremade【C1】
Doyouknowwhataresolutionis?It’sapromise.Mostpromisesaremade【C1】
Doyouknowwhataresolutionis?It’sapromise.Mostpromisesaremade【C1】
Doyouknowwhataresolutionis?It’sapromise.Mostpromisesaremade【C1】
NeitherhisfellowworkersnorTodhimself______tothesolutionputforwardbyt
IntimeoftroubleCharliecouldalways______asolution.A、putasideB、lookdow
Iftheareaofasquarewithsidesoflength8centimetersisequaltothearea
随机试题
Longbusridesareliketelevisionshows.Theyhaveabeginning,amiddle,a
Formostofus,workisthecentral,dominatingfactoflife.Wespendmoreth
GlobalWarmingGlaciersaremelting,sealevelsare
下列实际气体中,性质最接近理想气体的是( )。A.H2 B.He C.N2
经迟血虚证,宜加用A.太溪 B.大都 C.肾俞、次髎 D.肾俞、太
Thechangeinthatvillagewasmiraculou
右侧张力性气胸护理评估错误的是()A.呼吸困难 B.气管移向右侧
小敏,今年5岁,4岁时的一次意外使小敏失去了大部分听力。小敏的性格本来就比较内向
在货币证券中,由银行发行的股票、债券均属于银行证券。
拌制混凝土选用石子,要求连续级配的目的是()。A.减少水泥用量 B.适应
最新回复
(
0
)