Ответ:
2)
Объяснение:
SO3 + 2NaOH = Na2SO4 + H2O
H3PO4 + 3NaOH = Na3PO4 +3 H2O
Cr(NO3)3 + 3NaOH = Cr(OH)3 + 3NaNO3
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Answers & Comments
Ответ:
2)
Объяснение:
SO3 + 2NaOH = Na2SO4 + H2O
H3PO4 + 3NaOH = Na3PO4 +3 H2O
Cr(NO3)3 + 3NaOH = Cr(OH)3 + 3NaNO3