Answer:
Molarity= 0.57M
Explanation:
Mm= 58.5, V= 900ml= 0.9dm3
n= m/Mm = C×V
30/58.5= C× 0.9
C= 0.57M
Answer: You need a control group because......
Explanation: You need a control group in order to study if there is any difference in behavior between two groups when an external stimulant is introduced.
Answer:
60
Explanation:
The formula of the compound is given as:
HC₂H₃O₂
To find the formula mass we sum up the atomic masses of the component elements;
Atomic mass:
H = 1
C = 12
O = 16
HC₂H₃O₂ = 1 + 2(12) + 3(1) + 2(16)
= 1 + 24 + 3 + 32
= 60
It is alkaline ........I need 20 characters......
