Question

Oblicz masę cząsteczkową:
a) 2H2SO4
b) 4Fe(OH)3
c) 3A1203
d) 4Ca3(PO4)2​

Answer 1

Verified answer

a) m 2 H2SO4=2*(2*1u+32u+4*16u)=196 u

b) m 4 Fe(OH)3=4*(56u+3*16u+3*1u)=428 u

c) m 3 Al2O3=3*(2*27u+3*16u)=306 u

d) m 4 Ca3(PO4)2=4*(3*40u+2*31u+8*16u)=1240 u