![subject](/tpl/images/cats/himiya.png)
Chemistry, 26.09.2021 02:50 kornut7316
A 17.0 g sample of CaSO4, is found to contain 5.00 g of Ca and 7.99 g of O. Find the mass of sulfur in a sample of CaSO4 with a
mass of 64.7 g.
mass of sulfur =?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:00
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 16:30
Match the words in the left column to the appropriate blanks in the sentences on the right. (a) this is the law of definite proportions: all samples of a given compound, regardless of their source or how they were prepared, have proportions of their constituent elements. (b) this is the law of conservation of mass: in a reaction, matter is neither created nor destroyed. (c) this is the law of multiple (c) this is the law of multiple blank: when two elements form two different compounds, the masses of element b that combine with 1 g of element a can be expressed as a ratio of small whole-numbers. in this example, the ratio of \rm o from hydrogen peroxide to \rm o from water = 16: 8 \to 2: 1, a small whole-number ratio.: when two elements form two different compounds, the masses of element b that combine with 1 g of element a can be expressed as a ratio of small whole-numbers. in this example, the ratio of o from hydrogen peroxide to o from water = 16: 8 → 2: 1, a small whole-number ratio.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 19:00
Why do elements in groups share more chemical properties than elements in a period?
Answers: 3
You know the right answer?
A 17.0 g sample of CaSO4, is found to contain 5.00 g of Ca and 7.99 g of O. Find the mass of sulfur...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 29.03.2021 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 18:00
![question](/tpl/images/cats/istoriya.png)
History, 29.03.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 18:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 29.03.2021 18:00
![question](/tpl/images/cats/fizika.png)
Physics, 29.03.2021 18:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.03.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 18:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 29.03.2021 18:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 18:00
![question](/tpl/images/cats/en.png)
English, 29.03.2021 18:00
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.03.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.03.2021 18:00