Page 13 - C_Asas Black_Salsabilla Maharani_K2321063

| |0,132−0,11|
| −
= × 100% = × 100% =
0,11
0,2%

B. Kuningan
=

. . ∆ = . . ∆ +

. .∆

= . .∆ + . .∆
.∆
)
. ( − )+ . .( −
= .( − )
85,7 × 1 × (31 − 28) + 83,2 × 0,216 × (31 − 28)
=
66,7 × (88 − 31)

°
= 0,081 /
Kesalahan relatif

| |0,081−0,09|
| −
= × 100% = × 100% =
0,09
0,1%

C. Alumunium
=

. . ∆ = . . ∆ +

. .∆

= . .∆ + . .∆

.∆
. ( − )+ . .( − )
=

.( − )
85,7×1×(30−28)+83,2×0,216×(30−28) °
= = 0,162 /
21,3×(90−30)

Kesalahan relatif

= | − | × 100% = |0,162−0,21| × 100% = 0,23%
0,21