You are Here: Home

# Gas Volumes watch

1. Does anyone know how to solve this please? Thanks!

What mass of magnesium andwhat volume of 2.0 moldm-3 hydrochloric acid will berequired to produce 100 cm3 of hydrogen gas?
Equation: Mg(s) + 2HCl(aq) à MgCl2(aq) + H2(g)
2. (Original post by cjm1998)
Does anyone know how to solve this please? Thanks!

What mass of magnesium andwhat volume of 2.0 moldm-3 hydrochloric acid will berequired to produce 100 cm3 of hydrogen gas?
Equation: Mg(s) + 2HCl(aq) à MgCl2(aq) + H2(g)
1 mol of gas at RT has a volume of 24 litres ...

This give you any ideas?
3. (Original post by charco)
1 mol of gas at RT has a volume of 24 litres ...

This give you any ideas?
So could I divide 100cm^3 by 24 to find the moles seeing as I would multiply the moles by 24 to find the volume if the moles were known?
4. (Original post by cjm1998)
So could I divide 100cm^3 by 24 to find the moles seeing as I would multiply the moles by 24 to find the volume if the moles were known?
100 by 24000 gives the no. of moles

### Related university courses

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: March 7, 2016
The home of Results and Clearing

### 1,936

people online now

### 1,567,000

students helped last year
Today on TSR

### University open days

1. Keele University
Sun, 19 Aug '18
2. University of Melbourne
Sun, 19 Aug '18
3. Sheffield Hallam University