Question

cate grame reprezinta 20 moli de sulf dar 2 kilomoli de sulf

Answer 1

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

Answer 2

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