Answer:
42.82 × 10²³ formula units
Explanation:
Given data:
Number of moles of CaCl₂ = 7.11 mol
Number of formula units = ?
Solution:
We will solve this problem by using Avogadro number.
1 mole of substance contain 6.022× 10²³ formula units.
7.11 mol × 6.022× 10²³ formula units / 1mol
42.82 × 10²³ formula units
To answer this question, I need to know what the picture looks like.
Answer:
A
Explanation:
it's always a _.___x10^____
You move the decimal three places to the right for this one, so negative 3
Any number less than 0 will have a negative exponent beside the base number 10
You measure the bubbles because oxygen is produced during photosynthesis so therefore by measuring the bubbles if you increase the water level you would see the rats of photosynthesis increase
Answer:
n= | Shell | Maximum Number of Electrons
1 | 1st Shell | 2
2 | 2nd Shell | 8
3 | 3rd Shell | 18
4 | 4th Shell | 32
Explanation: cause :)