Question

The formula of calcium oxide is CaO. The relative
atomic masses are: Ca = 40,0 = 16.

complete the following statements:

a ) 40g of calcium combine with ____ g of oxygen to form 56 g of calcium oxide.
b) 4.0g of calcium combine with ____ g of oxygen to form 5.6 g of calcium oxide.
c) When 0.4g of calcium reacts in oxygen, the increase in mass is ___ g.​

Answer 1

Explanation:

ग्लूकोस सी एच ओ रिएक्ट्स विद ऑक्सीजन टो गिव CO2 एंड h2o वॉटरपार्क समक्ष इन द वर्ल्ड फॉर कंपलीट चैप्टर 5 पॉइंट जीरो