Answer:
No
The +2 from the Mn+2 is the charge, so the Mn has a charge of +2
Mn2+ means that there are two Mn molecules with a charge of +
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
Using law of sine, we have:

So, we have:

Make x the subject



-- approximated
Answer:
i have tht too but i dont know the answrr :(
Step-by-step explanation:
Answer:
like fractions have the same denominator. So A is correct