Answer:
<h3>The answer is 0.25 moles</h3>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question
N = 1.505 × 10²³ Na atoms
We have
We have the final answer as
<h3>0.25 moles</h3>
Hope this helps you
Answer:
muscle milk or milk is muscle
Explanation:
Answer:
choose the one with the least amount of electrons ex:iron
Explanation:
<span>64 grams per day.
Assuming that Jack is an adult, the RDA for protein recommended by the Institute of Medicine is 0.8 grams of protein per kilogram of body weight. So
0.8 g/kg * 80 kg = 64 g
Therefore the recommended protein for Jack is 64 grams per day.</span>
Answer:
it is because a number of factors, including sample surface cleanliness and temperature, can prevent chunks of alkali metals from exploding on contact with water. The team eliminated those variables and others by using a sodium-potassium alloy that remains liquid at room temperature and a droplet delivery system featuring a calibrated syringe.