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NemiM [27]
3 years ago
15

PLEASE CAN SOMEONE PLEASE HELP ME I CAN'T DO IT :(

Chemistry
1 answer:
Olenka [21]3 years ago
3 0

Answer:

H2SO4 + CaCO3 → CaSO4 + H2O + CO2 - Balanced equation | Chemical Equations online!

Na2co3 HCL nacl h2o co2

This is an acid-base reaction (neutralization): Na 2CO 3 is a base, HCl is an acid. This is a gas evolution reaction, CO 2 is the formed gas.

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Well, first we must remember that

pK_{a}+pK_{b}=14

This is because

K_{a}*K_{b}=10^{-14}

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So then

pK_{b}=14-pK_{a}=14-3.2=1.8

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A dissociation equation is an equation showing the available ions present in a solution.

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Learn more about dissociation equation: brainly.com/question/1903354

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