Answer:
2.64%
Explanation:
mass percent = (grams of solute / grams of solution) x 100
mass percent = (2.4 / 91) × 100
mass percent = 2.64% to 3sf
Answer:
because too much can neutralise the results
Im not sure but it could be 4 (H)
Hey there!:
Sodium cations and phosphate anions .
hope this helps!
