dkayy21 dkayy21

14-04-2021
Chemistry

contestada

if a sample is 0.5g but has an impurity of 70% what is the real mass of the sample(pure)?

Respuesta :

zaimarashid2003 zaimarashid2003

14-04-2021

Answer:

0.15

Explanation:

0.5 is100% of the total mass if 70% is impure .find the mass of 70%

which is 0.35g take 0.5 -0.35 =0.15

0.15 is the mass of the pure sample

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