![subject](/tpl/images/cats/himiya.png)
Chemistry, 01.10.2019 00:00 genyjoannerubiera
You are given an aqueous solution and are asked to analyze it for the presence (or absence) of ag+(aq), ca2+(aq), and/or hg2+(aq) ions. there are no other metal ions in the solution. you add aqueous hydrochloric acid (hcl) to the solution, and nothing appears to happen. you add aqueous sulfuric acid (h2so4) to the solution, and a white precipitate forms. you remove (via filtration) the white precipitate, and then add aqueous hydrogen sulfide (h2s) to the solution that remains. a black precipitate forms. based on these observations, which ions are present in the original solution? (a) ag+(aq), ca2+(aq), and hg2+(aq) (b) only ag+(aq) and hg2+(aq) (c) only ca2+(aq) and hg2+(aq) (d) only ag+(aq) and ca2+(aq) (e) only hg2+(aq)
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 01:20
1. suppose a reaction mixture, when diluted with water, afforded 300 ml of an aqueous solution of 30 g of the reaction product malononitrile [ch2(cn)2], which is to be isolated by extraction with ether. the solubility of malononitrile in ether at room temperature is 20.0 g/100 ml, and in water is 13.3 g/100 ml. what weight of malononitrile would be recovered by extraction with (a) three 100-ml portions of ether and (b) one 300-ml portion of ether? suggestion: for each extraction, let x equal the weight extracted into the ether layer. in part (a), the concentration in the ether layer is x/100 and in the water layer is (30 x)/300; the ratio of these quantities is equal to k 20/13.3.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:30
What is the correct term for living the most sustainable life you can within your current circumstances?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:00
In a copper wire, a temperature increase is the result of which of the following
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
Answers: 2
You know the right answer?
You are given an aqueous solution and are asked to analyze it for the presence (or absence) of ag+(a...
Questions
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 14.10.2020 21:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.10.2020 21:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 14.10.2020 21:01
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.10.2020 21:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 14.10.2020 21:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 14.10.2020 21:01
![question](/tpl/images/cats/himiya.png)
Chemistry, 14.10.2020 21:01
![question](/tpl/images/cats/mat.png)
Mathematics, 14.10.2020 21:01
![question](/tpl/images/cats/en.png)
English, 14.10.2020 21:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 14.10.2020 21:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.10.2020 21:01