A student performs the following procedure:
Procedure
1. Measure 25 grams of a...
![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 18.04.2020 23:17, luisanavarrogarcia
A student performs the following procedure:
Procedure
1. Measure 25 grams of an unknown solid.
2. Measure 200 grams of water.
3. Pour the unknown solid and water into beaker, which weighs 50 grams.
4. Stir the solution.
The student records the following observation:
Observation
About half of the unknown solid dissolves and the other half settles to the bottom of the beaker.
Part A:
The student calculated the combined weight of the unknown solid and the water to be 275 grams. Describe the mistake the student made in this calculation.
Part B:
Describe how stirring the solution will affect the total amount of matter in this investigation.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 17:10, lindseyklewis1p56uvi
A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:30, ashleybarrera2000
For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:30, nasibamurodova
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 07:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 07:51
![Konu](/tpl/images/cats/istoriya.png)
History, 05.02.2020 07:51
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fizika.png)
Physics, 05.02.2020 07:51
![Konu](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 07:51
![Konu](/tpl/images/cats/health.png)