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The approximate production of sodium car...

The approximate production of sodium carbonate per month is `424xx10^(6)`g. While that of methyl alcohol is `320xx10^(6)` gm. Which is produced more in terms of moles ?

Text Solution

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Given that weight of `Na_(2)CO_(3)` produced per month = 424x x `10^(6)` gms
No. of moles of `Na_(2)CO_(3)=("Wt")/("GM wt")=(424 xx10^(6))/(106)=4 x 10^(6)` moles per month
Given weight of `CH_(3)OH` produced per month =320 xx `10^(6)` gms
No. Of moles of `CH_(3)OH`= = `("wt")/("GM wt")=(320 xx 10^(6))/(32)=10^(7)` moles per month
Methy Alcohol is produced more (per. month) in terms of moles.
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Knowledge Check

  • When we concept that one mole of a substance contains the same numbers of elementary entities or one mole of any other substance, we don’t actually need to know what that number is. Sometimes however we will need to work with the actual number of elementary entities in a mole of substance. This number is called Avogadro.s number. N_(A)=6.022137xx10^(23) molecules The unit mol^(-1) which we read as per mole signifies that a collection of N_(A) molecular level entities is equivalent to one mole at the macroscopic level. For example a mole of carbon contains 6.02xx10^(23) atoms of C. A mole of oxygen gas contains 6.02xx10^(23) molecules of O_(2) . Which of the following is a reasonable value for the numbers of atoms in 1.00 g of helium?

    A
    `0.25`
    B
    `4.0`
    C
    `4.1xx10^(-23)`
    D
    `1.5xx10^(23)`

  • Henry thinks that a mole contains 6.023 xx 10^(24) molecules. Hence the mass of Henry's mole of Nitrogen is

    A
    2.8 g
    B
    28g
    C
    280 g
    D
    0.28g

  • Henry thinks that a mole contains 6.023 xx 10^(24) molecules. Hence the mass of Henry.s mole of Nitrogen

    A
    2.8g
    B
    28g
    C
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    D
    0.28g

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