davisparker5269
05.11.2020 •
Chemistry
What is the percentage by mass of a solution that contains 70.0 g KCl dissolved in 115 g of water?
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Ответ:
An acid and a base.
Example:
HCl (acid) + NaOH (base) ---> NaCl (salt) + H2O
Salts can also be formed from the reaction between:
Acid and reactive metals:
H2SO4 (acid) + Zn (reactive metal) ---> ZnSO4 (salt) + H2
Acid and metal carbonates (also a type of base):
H2SO4 (acid) + CaCO3 (metal carbonate) ---> CaSO4 (salt) + CO2 + H2O