Answer:
P + Q2+ -> no reaction
R + P2+ -> R2+ + P
Q + S2+ -> Q2+ + S
S + P2+ -> S2+ + P
S + R2+ -> S2+ + R
S + Q2+ -> no reaction
What is the correct order of reactivity of the metals?
Most -----------------------> least
A. P R S Q
B. Q R S P
C. Q S R P
D. S Q P Rhhgu
answer:an arrangement of elements in columns, based on a set of properties that repeat from row to row
Explanation:
hope this helps love <3
Talk to them back don't be scared
Given :
A 250 ml beaker weighs 13.473 g .
The same beaker plus 2.2 ml of water weighs 15.346 g.
To Find :
How much does the 2.2 ml of water, alone, weigh .
Solution :
Now, mass of water is given by :

Therefore , mass of 2.2 ml of water alone is 1.873 g .
Hence , this is the required solution .