Обчисліть масу цукру та води необхідні для приготування 500 г розчину з масовою часткою розчиненої речовини 40 %

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Identify two types of chemical bonding in the source of dietary potassium

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