Answer:
stronger/ brighter, thats why red is first on the rainbow
Explanation:
Answer:
i love adding salt to my hypothesis
Explanation:
Place the solid on an electronic balance. Read the balance reading.
Answer:
Explanation:
The chemical reaction involved is as follows
H₃BO₃ + 4HF = HBF₄ + 3H₂O
1 mol 1 mol
mol weight of H₃BO₃ is 61.84 gm
50g = 50 / 61.84 mol.
= 0.8 mol.
.8 mol of H₃BO₃ will form .8 mol of BF₄⁻ ion .
