FORMULAS Flashcards
(19 cards)
1
Q
MEAN xbar
A
∑x / n
2
Q
standard deviation s
A
√(Σx-)² / n-1
3
Q
variance (s)²
A
(x-xbar)² / n-1
4
Q
UCL
A
xbar + 3s
5
Q
LCL
A
xbar - 3s
6
Q
CAPSULE: %weight variation
A
x / xbar x 100
7
Q
TABLET: %weight variation
A
|x-xbar| / xbar x 100
8
Q
mEqwt
A
MW / feq x 1000
9
Q
%A content/purity
A
mL x N x mEqwt / g x 100
10
Q
N₁
A
N₂V₂ / V₁
11
Q
Normality N
A
g / mL x mEqwt
12
Q
g
A
N x mL x mEqwt
13
Q
mL
A
g / N x meqwt
14
Q
volume of titrant mL
A
g x %A / N x mEqwt x 100
15
Q
Titermg
A
N x MW / feq
16
Q
TiterN
A
mg x feq / MW
17
Q
%Atiter
A
mL x NF x mgtiter / mgsample x 100
18
Q
normality factor NF
A
Nactual / Ntheoretical
19
Q
%Aresidual
A
(NxsVxs) - (NtiterVtiter) x mEqwt / gsx x 100
