Answer:
1.Most metal oxides are insoluble in water but some of these (e.g. Na2O.
Explanation:
2.: (i) A hissing sound is observed.
1.ii) The mixture starts boiling and lime water is obtained.
Answer: The volume of the new solution is 83.33 mL.
Explanation:
Given: 
= 200 mL, 
= 0.5 M
= ?, 
= 1.2 M
Formula used to calculate the volume of new solution is as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that volume of the new solution is 83.33 mL.
Answer:
5.1622 mol This is the answer for your questions
i think so.
i learned this recently and my textbook says that neutrons and protons are in the nucleus and electrons orbit around the nucleus. :)
i hope i was able to help
