Jawaban:
1) C (s) + O2 (g) --> CO2 (g)
reaktan = pereaksi
reaktan = C dan O2
produk = hasil reaksi
produk = CO2
2) wujud persamaan reaksi
3) Logam besi = Fe (s)
larutan asam sulfat = H2SO4 (aq)
larutan besi ii sulfat = Fe2(SO4) (aq)
gas hidrogen = H2 (g)
persamaan
Fe(s) + H2SO4 (aq) ---> Fe2(SO4)(aq) + H2 (g)
4) a. NaOH + H2SO4 --> Na2SO4 + H2O
= 2NaOH + H2SO4 ---> Na2SO4 + 2H2O
b. Ca(OH2) + H3PO4 ---> Ca(PO4)2 + H2O
= 3Ca(OH2) + 2H3PO4 ---> Ca(PO4)2 + 6H2O
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Jawaban:
1) C (s) + O2 (g) --> CO2 (g)
reaktan = pereaksi
reaktan = C dan O2
produk = hasil reaksi
produk = CO2
2) wujud persamaan reaksi
3) Logam besi = Fe (s)
larutan asam sulfat = H2SO4 (aq)
larutan besi ii sulfat = Fe2(SO4) (aq)
gas hidrogen = H2 (g)
persamaan
Fe(s) + H2SO4 (aq) ---> Fe2(SO4)(aq) + H2 (g)
4) a. NaOH + H2SO4 --> Na2SO4 + H2O
= 2NaOH + H2SO4 ---> Na2SO4 + 2H2O
b. Ca(OH2) + H3PO4 ---> Ca(PO4)2 + H2O
= 3Ca(OH2) + 2H3PO4 ---> Ca(PO4)2 + 6H2O