# Mass and Volume = Density

Watch
Announcements

So I know that Mass divided by Volume = Density

But, how do I get my answer? Am I using a calculator?

650g divided by 922cm^3 =

But, how do I get my answer? Am I using a calculator?

650g divided by 922cm^3 =

0

reply

Report

#5

Imagine a box in the shape of a cube of length 1 m

It's volume would be 1 x 1 x 1 = 1 m^3

1 m equal 100 cm

So the same volume would be 100 x 100 x 100 cm^3

To convert your volume to m^3 divide it by 1000000

Although the standard units for density are kg/m^3 There is probably no need to change the units of your calculation

You only need to do that if the units in the information don't match the units of the required answer.

Density = mass / volume

Use a calculator

The units of your answer will g/cm^3 (g cm^-3)

Does your question specify what density units you are required to use? Or are you doing a course of study that requires all units to be SI units?

Posted from TSR Mobile

It's volume would be 1 x 1 x 1 = 1 m^3

1 m equal 100 cm

So the same volume would be 100 x 100 x 100 cm^3

To convert your volume to m^3 divide it by 1000000

Although the standard units for density are kg/m^3 There is probably no need to change the units of your calculation

You only need to do that if the units in the information don't match the units of the required answer.

Density = mass / volume

Use a calculator

The units of your answer will g/cm^3 (g cm^-3)

Does your question specify what density units you are required to use? Or are you doing a course of study that requires all units to be SI units?

Posted from TSR Mobile

0

reply

[QUOTE=gdunne42;47528424]Imagine a box in the shape of a cube of length 1 m

It's volume would be 1 x 1 x 1 = 1 m^3

1 m equal 100 cm

So the same volume would be 100 x 100 x 100 cm^3

To convert your volume to m^3 divide it by 1000000

Although the standard units for density are kg/m^3 There is probably no need to change the units of your calculation

You only need to do that if the units in the information don't match the units of the required answer.

Density = mass / volume

Use a calculator

The units of your answer will g/cm^3 (g cm^-3)

the answer I got for the above question is =

1.22107703354

is this correct?

It's volume would be 1 x 1 x 1 = 1 m^3

1 m equal 100 cm

So the same volume would be 100 x 100 x 100 cm^3

To convert your volume to m^3 divide it by 1000000

Although the standard units for density are kg/m^3 There is probably no need to change the units of your calculation

You only need to do that if the units in the information don't match the units of the required answer.

Density = mass / volume

Use a calculator

The units of your answer will g/cm^3 (g cm^-3)

the answer I got for the above question is =

1.22107703354

is this correct?

0

reply

Report

#7

(Original post by

the answer I got for the above question is =

1.22107703354

is this correct?

**fliss1992**)the answer I got for the above question is =

1.22107703354

is this correct?

You need to state your units anyway.

What did you type into your calculator to get that number?

0

reply

650g divided by 922cm^3 = 1.22107703354g/cm^3

that's what I calculated and that's the answer I got above..

that's what I calculated and that's the answer I got above..

0

reply

Report

#10

(Original post by

650g divided by 922cm^3 = 1.22107703354g/cm^3

that's what I calculated and that's the answer I got above..

**fliss1992**)650g divided by 922cm^3 = 1.22107703354g/cm^3

that's what I calculated and that's the answer I got above..

I'm pretty sure you are not a troll so you must just be out of your depth. May I ask what grade you got in GCSE maths? I apologise if I have asked you this before.

0

reply

I haven't done GCSE Maths, I am studying at the moment and haven't done much on anything covered in the GCSE, so it's all new.

You say the units are ok now, is the answer correct?

As the above person doesn't agree?

You say the units are ok now, is the answer correct?

As the above person doesn't agree?

0

reply

Report

#12

Density is measured in or Kg per metre cubed.

So divide the volume by 1000 to get metres cubed.

Divide grams by 1000 to get kilograms.

then use the formula mass/volume=density

So divide the volume by 1000 to get metres cubed.

Divide grams by 1000 to get kilograms.

then use the formula mass/volume=density

0

reply

Report

#13

**fliss1992**)

650g divided by 922cm^3 = 1.22107703354g/cm^3

that's what I calculated and that's the answer I got above..

a number divided by a number greater than it, is always lesser than "1".

the correct answer is something like 0.7xxxxxx

0

reply

(Original post by

Density is measured in or Kg per metre cubed.

So divide the volume by 1000 to get metres cubed.

Divide grams by 1000 to get kilograms.

then use the formula mass/volume=density

**SamTheMan95**)Density is measured in or Kg per metre cubed.

So divide the volume by 1000 to get metres cubed.

Divide grams by 1000 to get kilograms.

then use the formula mass/volume=density

0

reply

Report

#15

**SamTheMan95**)

Density is measured in or Kg per metre cubed.

So divide the volume by 1000 to get metres cubed.

Divide grams by 1000 to get kilograms.

then use the formula mass/volume=density

- g/cm^3 would be an acceptable unit in most circumstances

- dividing cm^3 by 1000 will not convert to m^3

Posted from TSR Mobile

0

reply

I don't mean to be rude to anyone, and I do appreciate everyone's help but can someone please advise me on the right way to calculate this?

I followed the way Samtheman mentioned however nobody has said if my answer is correct or not?

I followed the way Samtheman mentioned however nobody has said if my answer is correct or not?

0

reply

Report

#17

In most situations you would then round that answer to a suitable degree of accuracy but that's another topic for another time.

Posted from TSR Mobile

0

reply

OK, that's great thanks for your time and patience.

If you don't mind, I have a few more questions that are similar.

Can I post my answers and then you say if there right or wrong?

If you don't mind, I have a few more questions that are similar.

Can I post my answers and then you say if there right or wrong?

0

reply

Report

#19

(Original post by

OK, that's great thanks for your time and patience.

If you don't mind, I have a few more questions that are similar.

Can I post my answers and then you say if there right or wrong?

**fliss1992**)OK, that's great thanks for your time and patience.

If you don't mind, I have a few more questions that are similar.

Can I post my answers and then you say if there right or wrong?

0

reply

Here are my next questions if someone could tell me if they are correct or not, if not can someone advise where I have gone wrong.

Thanks..

a) Weight 150g Volume 840cm^3 = 0.17857142857 g/cm^3

b) Weight 1kg Volume 125cm^3 = 8 g/cm^3

c) Weight 2kg Volume 1700 ^3 = 1.17647058824 g/cm^3

d) Weight 200g Volume 10cm^3 = 20 g/cm^3

Thanks..

a) Weight 150g Volume 840cm^3 = 0.17857142857 g/cm^3

b) Weight 1kg Volume 125cm^3 = 8 g/cm^3

c) Weight 2kg Volume 1700 ^3 = 1.17647058824 g/cm^3

d) Weight 200g Volume 10cm^3 = 20 g/cm^3

0

reply

X

### Quick Reply

Back

to top

to top