Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

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chemistry synoptic past paper q

a solution of cobalt (II) chloride was reacted with ammonia and ammonium chloride while a current of air was blown through the mixture. a red compound, X, was produced which contained a complex ion of cobalt. the compound had the following composition:
% by mass
Co 23.6
N 27.9
H 6.0
Cl 42.5

use the data to find the empirical formula of X

IntegralAnomaly

Divide the % mass of each element by their respective r.a.m,then divide by the smallest number to obtain the ratios of the elements in the compound

IntegralAnomaly

Divide the % mass of each element by their respective r.a.m,then divide by the smallest number to obtain the ratios of the elements in the compound

Yes this is module one stuff.

OP

that makes me feel stupid!!

ok so by that i make it 1 Co, 5 N, 15 H, 3 Cl

rae

that makes me feel stupid!!

ok so by that i make it 1 Co, 5 N, 15 H, 3 Cl

yep, that's right..

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