The answer is 2 hours because from 5 to 7 the temperature was raising <span />
Use c1v1+c2v2=c3v3
where c=concentration, v=volume.
C1=0.12
V1=20 L
C2=0.36
V2=X
C3=0.20
V3=20+X L
Substitute in equation
0.12(20) + 0.36X = 0.20(20+X)
Expand
2.4 + 0.36X = 4 + 0.2X
Simplify
(0.36-0.2)X = 4-2.4
0.16X = 1.6
X=1.6/0.16 = 10 L
check:
0.12(20)+0.36(10)=2.4+3.6=6.0
(20+10)*0.20 = 6.0 so solution is good.
Answer: Volume of 36% solution is 10L
Answer:
i believe it is f
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
locate 10 on the horizontal (x- axis), go vertically up to meet the line at (10, 20)
The corresponding output is the value on the vertical (y- axis )
That is the output is 20
721% is the right answer.
