O rótulo de um frasco de ácido clorídrico, HCℓ, comercial apresenta as seguintes indicações: 36% (m/m) ρ = 1,19 g/cm3 M = 36,46 g/mol

Calcula o volume de solução de HCℓ concentrado necessário para preparar 2,0 dm3 de uma solução de concentração 0,10 mol/dm3 deste ácido.

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

the answer is option a.

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.