5.924 g
Step-by-step explanation:
The average weight of a boron atom is 10.811 atomic mass units (AMU). Therefore 3.3 x 10^23 atoms of boron will weight;
3.3 x 10^23 * 10.811 = 3.56763 x 10 ^ 24
One (1) gram = 6.022 x 1023 AMU. Therefore to convert AMU to grams;
3.56763 x 10 ^ 24 / 6.022 x 10^23
= 5.924 g
Learn More:
For more on atomic mass check out;
brainly.com/question/13058661
brainly.com/question/11014846
#LearnWithBrainly
Answer:
Step-by-step explanation:
Answer:
3+.6984%
Step-by-step explanation:
As a result of the 1942 “Europe-first” strategy, American forces in the Pacific
won many battles against Japan’s powerful military.
benefited from their experience in Europe.
lost many battles against Japan’s powerful military.
received all their supplies safely via North Africa.
The total number of combinations available to just pick 1 t-shirt is 20
<u>Explanation:</u>
Given:
4 different sizes of t-shirts are available
5 different colors of t-shirt are available
Different outcomes if the t-shirts have to be picked one by one:
Different outcomes = 4! + 5!
= 24 + 120
= 144
Number of combinations available to just pick 1 t-shirt is:
Number of combinations = 4 X 5
= 20
Therefore, the total number of combinations available to just pick 1 t-shirt is 20