Magnus Ehingers undervisning

— Allt du behöver för A i Biologi, Kemi, Bioteknik, Gymnasiearbete med mera.

B4

a.

[H+] = 10–pHM = 10–6,25M = 5,62341 · 10–7M ≈ 5,6 · 10–7M

b.

[H+] = 10–pHM = 10–2,14M = 7,24435 · 10–3M ≈ 7,2 · 10–3M

c.

[H+] = 10–pHM = 10–(–1,00)M = 10M

d.

[H+] = 10–pHM = 10–12,83M = 1,4791 · 10–13M ≈ 1,5 · 10–13M