CH4 + 02 → H20 + CO2
balance equation
CH4 + 2O2 → 2H2O + CO2
4 ÷ ( 12 + 4 ) = 0.25 mol
1 : 2
no mole of H2O = 0.25 × 2 = 0.5 mol
mass of H2O = 0.5 × ( 2 + 16 ) = 9g
The United Kingdom, Poland, Sweden, ...
Answer:
D: 9 to 10
Explanation:
According to a 2012 census in India, it was revealed that the sex ratio of India was 909 females to 1000 males. This aligns with the fourth choice.
https://niti.gov.in/content/sex-ratio-females-1000-males
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