Calculate the molecular masses of $CO_2$, $CH_4$ and $C_2H_6$.
Calculate the molecular masses of $CO_2$, $CH_4$ and $C_2H_6$.
- A
$33\,u$, $18\,u$ and $30\,u$
- B
$6\,u$, $18\,u$ and $36\,u$
- C
$9\,u$, $36\,u$ and $84\,u$
- D
$44\,u$, $16\,u$ and $30\,u$
Similar Questions
Calculate the molecular masses of $C_ 2H_4$, $NH_3$ and $CH_3OH$.
Calculate the molecular masses of $C_ 2H_4$, $NH_3$ and $CH_3OH$.
When $3.0 \,g$ of carbon is burnt in $8.00 \,g$ oxygen, $11.00 \,g$ of carbon dioxide is produced. What mass of carbon dioxide will be formed when $3.00 \,g$ of carbon is burnt in $50.00\, g$ of oxygen? Which law of chemical combination will govern your answer ?
When $3.0 \,g$ of carbon is burnt in $8.00 \,g$ oxygen, $11.00 \,g$ of carbon dioxide is produced. What mass of carbon dioxide will be formed when $3.00 \,g$ of carbon is burnt in $50.00\, g$ of oxygen? Which law of chemical combination will govern your answer ?
Write down the formulae of
$(i)$ sodium oxide
$(ii)$ aluminium chloride
$(iii)$ sodium suphide
$(iv)$ magnesium hydroxide
Write down the formulae of
$(i)$ sodium oxide
$(ii)$ aluminium chloride
$(iii)$ sodium suphide
$(iv)$ magnesium hydroxide
Convert into mole.
$(a)$ $12\, g$ of oxygen gas
$(b)$ $20\, g$ of water
$(c)$ $22\, g$ of carbon dioxide.
Convert into mole.
$(a)$ $12\, g$ of oxygen gas
$(b)$ $20\, g$ of water
$(c)$ $22\, g$ of carbon dioxide.
If one mole of carbon atoms weighs $12$ $g$, what is the mass (in grams) of $1$ atom of carbon ?
If one mole of carbon atoms weighs $12$ $g$, what is the mass (in grams) of $1$ atom of carbon ?