# Chemistry 2020 paper 1 HELP (GSCE)

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#1
How would I do this?
0
4 weeks ago
#2
Concentration = mole / concentration
New mole = new volume x concentration
Mass = new mole x molar mass
1
#3
(Original post by Äries)
Concentration = mole / concentration
New mole = new volume x concentration
Mass = new mole x molar mass
thanks
0
4 weeks ago
#4
1. 0.1 /0.5 = X

2. X x 0.03 (cm --> dm) = Y

3. Y x 159.5 = ANS
1
#5
(Original post by Äries)
Concentration = mole / concentration
New mole = new volume x concentration
Mass = new mole x molar mass
sorry but your first equation made no sense did you mean molar mass = mole/concentration ?
0
4 weeks ago
#6
(Original post by ra1nthewomen257)
sorry but your first equation made no sense did you mean molar mass = mole/concentration ?
Molarity = mole / volume is a correct relationship. Molar mass doesn’t equal to your expression.
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