Answer:
CaCO3 is false
Explanation:
Because HCl is hydrongen chloride
Answer: d
Explanation:it’s physics no so hard
Answer:
3.03 x 10²³ formula units
Explanation:
First we <u>convert 48.0 grams of magnesium chloride into moles</u>, using its <em>molar mass</em>:
- 48.0 g ÷ 95.21 g/mol = 0.504 mol MgCl₂
Then we <u>convert 0.504 moles into formula units</u>, using <em>Avogadro's number</em>:
- 0.504 mol * 6.023x10²³ formula units/mol = 3.03x10²³ formula units