Answer:
Mass of solution = 2 g
Explanation:
Given data:
Mass of CuSO₄ = 0.20 g
Percent by mass = 10%
Mass of solution needed = ?
Solution:
Formula:
Percent by mass = mass of solute / mass of solution × 100
Now we will put the values.
10 = 0.20 g/ mass of solution × 100
10/ 100 = 0.20 g/ mass of solution
0.1 = 0.20 g/ mass of solution
Mass of solution = 0.20 g/ 0.1
Mass of solution = 2 g
Answer:
A
Explanation:
I'm assuming this question implies that the surface area is in relation to the volume of the pieces. In that case, the SMALLER the size of each piece, the larger the surface area. This is because more particles are able to fit into the container if they are smaller, leading to more surface area. Since more pieces can fit into the container, MORE collisions happen according to collision theory. I cannot add a link, but for a helpful analogy, look up "How To Speed Up Chemical Reactions (and get a date) - Aaron Sams.
Answer:
Depth Preception
Explanation:
Each eye sees a diffrent angle of a object. This is because the horizontal separation parallax of the eyes. If the object is close or near by the disparity will be huge.
Hope this helped you!
Answer:
D. Number of electrons
Answer:
Monsoon seasonal diseases can be avoided by keeping surroundings clean, removing stagnant water, eating homemade food, washing hands properly, eating clean and drinking boiled water.
Explanation:
1. Make efforts in making the environment mosquito free by proper cleaning and removing stagnant water as well.
2. Use mosquito repellant, mainly net that has no side effects and is ecofriendly.
3. Avoid moving to crowded places to prevent viral infections.
4. Consume food made at home and boiled water.
5. Wash hands before consuming food.
