![subject](/tpl/images/cats/himiya.png)
Chemistry, 23.08.2021 17:00 21hendlill
El ácido oxálico es una sustancia toxica que se emplea en las lavanderias para eliminar manchas de herrumbre. su composicion es 26.7% de c, 2.2% de h y 71.1% de o, y su masa moleculas es 90u ¿cual es la formula molecular?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:00
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
You know the right answer?
El ácido oxálico es una sustancia toxica que se emplea en las lavanderias para eliminar manchas de h...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 15.12.2020 22:30
![question](/tpl/images/cats/biologiya.png)
Biology, 15.12.2020 22:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 15.12.2020 22:30
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.12.2020 22:30
![question](/tpl/images/cats/en.png)
English, 15.12.2020 22:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 15.12.2020 22:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 15.12.2020 22:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:30
![question](/tpl/images/cats/ekonomika.png)
Business, 15.12.2020 22:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:30