Răspuns :
Pai 20 de moli sunt 20*32 grame de sulf iar 2 kilomoli reprezinta 2000 de moli deci 2000*32 grame de sulf. Adica 640 gr respectiv64 de kg
MS=AS=32g/mol
n=20 moli S
n=m/M => m=20*32=640g S
n=2 kmol S => m=2*32=64kg=64000g S
1kg=1000g
n=20 moli S
n=m/M => m=20*32=640g S
n=2 kmol S => m=2*32=64kg=64000g S
1kg=1000g