Answer: a. 0.05mol/dm3
bi. 0.045mol/dm3
bii. 4.41g/dm3
c. 84.8%
Explanation:Please see attachment for explanation
P1V1=P2V2
(1.8)(1.5)=(1.0)V2
2.7=1.0 V2
2.7/1.0= 1.0/1.0V2
2.7=V2
Answer:
Energy is released in this reaction possibly in the form of heat thus it is an exergonic and or exothermic reaction.
An atom of any element must contain "<span>(2) an equal number of protons and electrons" but it should be noted that atoms can borrow electrons from one another. </span>
Answer:
449 (g K) / 39.1 (g/mol K) = 11.5 mol K
Explanation:
Potassium has atomic number 39.1
amount of K in 449g sample = 449/39.1 = 11.5 mol