Answer:
69.4kg
Explanation:
mole =volume/1000 * mole conc.
=1250/1000 * 0.75
mole =0.9
:• mole =mass /molar mass
mass =0.9*[40+32+2]
=69.4kg
Answer:
0.59
Explanation:
Is 0.59 because you are dividing 35.0g by 58.5 which will than give you 0.59
I think they stand for how many of that element there are and then they are the little numbers on the bottom right of the letters
Answer:
Below
Explanation:
Oxygen negative positive hydration
Each Other and the sun but now a days we relied on our phones