kezdennis711 kezdennis711

04-07-2021
Chemistry

contestada

Can anyone answer these 4 questions?

Can anyone answer these 4 questions class=

Respuesta :

shreyaharia10 shreyaharia10

04-07-2021

Answer:

1. Na2CO3 + 2HCl --> 2NaCl + CO2 + H2O

2. 2NaOH + H2SO4 --> Na2SO4 + H2O

3. CaCO3 + 2HCl --> CaCl2 + CO2 + H2O

4. 4Na + O2 --> 2Na2O

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