M NH4Cl=14 g/mol+4*1 g/mol+35,5 g/mol=53,5 g/mol
3 mol---x g
1 mol---53,5 g
x=267,5 g
M K3PO4=3*39 g/mol+31 g/mol+4*16 g/mol=212 g/mol
212 g---1 mol
x g---0,75 mol
x=159 g
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M NH4Cl=14 g/mol+4*1 g/mol+35,5 g/mol=53,5 g/mol
3 mol---x g
1 mol---53,5 g
x=267,5 g
M K3PO4=3*39 g/mol+31 g/mol+4*16 g/mol=212 g/mol
212 g---1 mol
x g---0,75 mol
x=159 g