Question

sa se calculeze masa moleculara a urmatoarelor substante : H2O4 , Na Br , KCL , Fe 0 , H2S , NH3 , N0 , Co2 , H2O , pls :))) , rapid

Answer 1

M H2O4=2+64=66
M NaBr=23+78=101
M KCl= 39+35=74
M FeO= 56+16=72
M H2S= 2+32=34
M NH3= 14+3=17
M NO=14+16=30
M Co2=12+ 32=44
M H2O= 2 +16=18