8-sinf 2-test

2 mol gazdagi malikulalar soni qancha

1 litr suvdagi malikulalar sonini toping

vadarod malikulasining massasini toping

havoning moliar massasi 29 g/mol bo'lsa havo malikulasi massasini toping

1 mol kislaroddagi malikulalar 1 mol ugleroddagi malikulalardan necha marta ko'p

1 mol kislarod malikulalar massasi 1 mol uglerod malikulalar massasidan necha marta ko'p

tarkibida $$9\cdot10^{23}$$ malikulasi bo'lgan modda necha mol bo'ladi

bu moddaning 36 girami 2 mol bo'lsa qanday modda haqida gap ketayabdi

3 g suvdagi malikulalar sonini toping

malikulalar soni $$\frac{1}{3}\cdot10^{23}$$ malikulasi bo'lgan suv hajmini toping ( $$m^3$$ )