# Volumetric calculations and titrations

questions and answers, and notes

- Created by: angelic-child :]
- Created on: 20-02-10 15:08

## Other pages in this set

### Page 2

Here's a taster:

A. Performing a titration

1. Apparatus required to make standard solutions.…read more

### Page 3

### Page 4

Here's a taster:

Cal

cul

ati

ng

the

concent

rat

ion

of

eit

her

an

aci

d or

al

kal

i.

Thi

s onl

y wor

ks

if

t

he

concent

rat

ion

of

one

(ei

ther

t

h e

aci

d

or

alkal

i)

i

s accur

atel

y known.

The

concentr

ati

on

of

the

other

can

be

worked

out

by a

simple

vol

u metr

ic

calcul

ati

on (

see

next

sect

ion

on

vol

ume t

ri

c cal

cul

ati

ons)

.…read more

### Page 5

Here's a taster:

Wha t

i

s t

he conc ent

rat

ion

of

3.

6 5

g of

HCl in

1000

cm3 of

sol

uti

on?

Concentration = mol dm3

4 What i

s t

he concent

rat

ion

3

of

1

g of

N aO H i

n 250

cm

of

sol

uti

on?

Concentration = mol dm3

5 Wh a t

i

s t

he conc ent

rat

ion

o f

1.…read more

### Page 6

Here's a taster:

Wh a t

i

s t

he conc entr

ati

on

o f

1.

5 8

g of

KMn O4 i

n 250

c m3 of

sol

uti

on?

Concentration = mol dm3

8 Wh a t

i

s t

he conc ent

rat

ion

o f

5.

8 5

g of

NaC l

in

500

c m3 of

sol

uti

on?

Concentration = mol dm3

9 Wh a t

i

s t

he conc ent

rat

ion

o f

14.…read more

### Page 7

Here's a taster:

Wh at i

s t

he concentr

ati

on

0 o f

25

g of

N aBr

in

100 cm3

o f

sol

uti

on?

Concentration = mol dm3

2. Calculating the mass of a solid dissolved in a solution of known volume and known

concentration.

1 Wh at

ma ss

of

s odi

um T he

numb e r

of

moles

of Mass of

0.…read more

### Page 8

Here's a taster:

Wh at

ma s

s of

hydrogen

chl

ori

d e,

HCl,

i

s neede d

to

make 25 cm3 o f

hydr

o c hl

ori

c aci

d sol

ution

of

a

co ncent

rat

ion

o f

1 mol

dm3?

Mass of = g

4 Wh at

ma ss

o f

hyd r

ogen

chl

oride,

HC l

,

is

neede d t

o

3

make

50 cm o f

hydrochl

oric a ci

d

solut

ion

of

a concen t

r…read more

### Page 9

Here's a taster:

Mass of = g

6 Wh at

mass

of

sodium

hydroxi

de, N aOH ,

i

s

needed t

o ma ke25 cm3 o

f

sodi

u m hyd r

o xi

de

so l

uti

o n

of

a concen t

rati

on of

1.…read more

## Comments