1mole contains 22.4Lmol^-1
xmole contains 8.943
cross-multiply
x=1×8.943/22.4
x=0.40mole
there it contains 0.40moles.
Answer:
Moles = Molecules / (6.0221415 x 10^23)
Explanation:
Answer:
Solution A is a Weak Alkali, Solution B is a strong Acid.
Explanation:
At pH 10, the colour is blue, therefore it's a weak alkali.
At pH 1, the colour is red, therefore it's a strong Acid.
An endothermic reaction is when the energy is absorbed, while an exothermic reaction releases energy.
A scientific theory is a well tested explanation of a natural phenomenon.
