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OCR Gateway B Chemistry June 2014 - C1-C6

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Reply 180

TheStrikingOne

Does anyone know where I can find the specimen C456 Paper mark scheme? Or have a link to it please? Thanks.

Reply 181

white_o

Original post by TheStrikingOne

Does anyone know where I can find the specimen C456 Paper mark scheme? Or have a link to it please? Thanks.

it's at the end of the questions on the pdf

Reply 182

TheStrikingOne

Original post by Qaiys

it's at the end of the questions on the pdf

Ohhh, thank you :smile:

Reply 183

white_o

Original post by TheStrikingOne

Ohhh, thank you :smile:

No worries :biggrin:

Good luck for tomorrow!

Reply 184

TheStrikingOne

Original post by Qaiys

No worries :biggrin:

Good luck for tomorrow!

You too!

I hope it goes well.

Reply 185

crashMATHS

Beautiful exam - absolutely wonderful. OCR are being quite this year :tongue:

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Reply 186

kandykissesxox

Lovely exam so pleased!! Thank god there was not electrolysis!

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Reply 187

crashMATHS

Original post by TypicalAsian

What did u guys get for the moles and concentration?

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Moles = 0.0015 mol

Concentration = 0.0595

Empirical Formula = C (4) H

The (4) should be beneath the line, of course

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(edited 9 years ago)

Reply 188

kandykissesxox

Original post by kingaaran

Moles = 0.0015 mol

Concentration = 0.0595

Empirical Formula = C (4) H

The (4) should be beneath the line, of course

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**** I think I put CH4

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Reply 189

kandykissesxox

Original post by kingaaran

Moles = 0.0015 mol

Concentration = 0.0595

Empirical Formula = C (4) H

The (4) should be beneath the line, of course

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I also got 0.0595 for the concentration, did you leave that as your final answer ?

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Reply 190

Huda_medo

Original post by kandykissesxox

**** I think I put CH4

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Yes, I agree, I think it was CH4 not C4H

Reply 191

white_o

Original post by Huda_medo

Yes, I agree, I think it was CH4 not C4H

Original post by kandykissesxox

**** I think I put CH4

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I put CH4 too

Reply 192

fudgeboy989

What countries did you put for the last 2 questions?

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Reply 193

kandykissesxox

Original post by fudgeboy989

What countries did you put for the last 2 questions?

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Oh god I think I have this wrong but I put China and Bangladesh. Others put Albania

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Reply 194

EastGuava

Original post by kandykissesxox

I also got 0.0595 for the concentration, did you leave that as your final answer ?

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I got the same but it said 3 sf so I put 0.06.

Reply 195

kandykissesxox

Original post by EastGuava

I got the same but it said 3 sf so I put 0.06.

Same

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Reply 196

EastGuava

Original post by fudgeboy989

What countries did you put for the last 2 questions?

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First one was Albania, idk about the last.

Reply 197

crashMATHS

Original post by EastGuava

I got the same but it said 3 sf so I put 0.06.

But 0s don't count as significant figures at the beginning of a number

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Reply 198

EastGuava

Original post by kingaaran

But 0s don't count as significant figures at the beginning of a number

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Nooo I literally just realised and was going to say that Dx

Reply 199

white_o

Guys you all need to help me, i messed up the concentration question! For some reason for some fuudduing i did moles = con * vol wtaf ahhhhhhhh why?!

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OCR Gateway B Chemistry June 2014 - C1-C6

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