Therefore, the expression for the mole fraction of the solute is indeed: XA=moles of solutemoles of solute+moles of solvent- Conclusion: Option 3 is correct. Final Conclusion:Since all three options are correct,
In our class, two fifths of the students are boys. What's the fraction of girls? A. two fifths B. three fifths C. one fifth D. four fifths 相关知识点: 试题来源: 解析 B。在我们班,五分之二的学生是男生,那么女生的比例就是五分之三。A 选项是男生的比例;C 选项是五分之一,不符合题...
In a class, there are 30 students. If 10 students are boys, the fraction of boys in the class is _. A. one - third B. one - thrid C. one over thirt D. one on third 相关知识点: 试题来源: 解析 A。解析:10占30的三分之一。分子one是基数词,分母third是序数词,分子是1,分母不...
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Question:If 20% of vehicles are blue and 1/3 of blue vehicles are trucks, what fraction of blue vehicles are trucks?Fractions:A fraction is formed of a numerator and a denominator. The numerator represents the number of parts of a whole. And the ...
In a class, 3/5 of the students are boys. What fraction represents the number of girls? A. 2/5 B. 5/3 C. 3/2 D. 5/2 相关知识点: 试题来源: 解析 A。本题考查分数的减法。因为总数是 1,男生占 3/5,所以女生占 1 - 3/5 = 2/5。
16. There are 40 pupils in Mrs Lim's class. 24 them are girls.What fraction of the class are boys? 2(1)$$ \frac { 1 } { 5 } $$(2)$$ \frac { 2 } { 5 } $$(3)$$ \frac { 3 } { 5 } $$(4)$$ \frac { 4 } { 5 } $$ ...
Question:Three friends shared one-fourth of a large pizza equally among themselves. What is the fraction of a pizza that each person got?FractionsIn our day-to-day life, we express many measures in fractions like a half kilogram of so a...
[0071] It should be understood that in addition to the ingredients particularly mentioned above, the formulations of this invention may include other agents conventional in the art having regard to the type of formulation in question, for example, those suitable of oral administration may include su...