Answer:
neutrons = atomic mass - atomic number.
hope that helps
B is the right answer because it’s a double replacement reaction and the potassium is balanced with the sulphate
Answer:
a covalent would be the two that are nonmetals
Answer:
8.9 mg/l
Explanation: Temp doesnt matter so throw that out automatically then your equation is;
S1/P1=S2/P2
We are looking for S2 and that equation is;
S2=S1*P2/P1 and that is S2=22.25*1/2.5
A little bit of simple math and you get your answer: 8.9 mg/l
1.33 is the answer thank me later
