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How many grams of excess reactant will r...

How many grams of excess reactant will remain after the reaction of 12.5 g of Cao and 75.0 g of `HCIO_4` ?

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To determine how many grams of the excess reactant will remain after the reaction of 12.5 g of CaO and 75.0 g of HClO4, we can follow these steps: ### Step 1: Write the balanced chemical equation The balanced reaction between calcium oxide (CaO) and perchloric acid (HClO4) is: \[ \text{CaO} + 2 \text{HClO}_4 \rightarrow \text{Ca(ClO}_4\text{)}_2 + \text{H}_2\text{O} \] ### Step 2: Calculate the molar masses - Molar mass of CaO: ...
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In a process for producing acetic acid, oxygen gas is bubbled into acetaldehyde containing manganesed (II) acetate (catalyst under pressure at 60^(@) C . 2 CH_(3) CHO + O_(2) to 2CH_(3) COOH In a laboratory test of this reaction20 g of CH_(3) CHO and 10 g of O_(2) were put into a reaction vessel . (a) How many grams of CH_(3) COOH can be produced ? (b) How many grams of the excess reactant remain after the reaction is complete ?

Knowledge Check

  • Given t_(1//2) =3 hr. Then how many gram of a substance will remain after 18th hr from 300 gram of a substance

    A
    4.6 g
    B
    5.6 g
    C
    9.2 g
    D
    6.4 g

  • Given t_(1//2) = 3 hours, then how many gram of a substance will remain after 18 hours from 300 gram of a substance?

    A
    4.6 g
    B
    5.6 g
    C
    9.2 g
    D
    6.4 g

  • Some rocket engines use a mixture of hydrazine, N_(2)H_(4) and hydrogen peroxide, H_2O_2 as the propellant. The reaction is given by the following equation : N_(2)H_(4)(l) + 2H_(2)O_(2)(l) to N_(2)(g) + 4H_(2)O(g) How much of the excess reactant, remains unchanged when 0.750 mol of N_2H_4 is mixed with 17 g of H_(2)O_(2) ?

    A
    16 g `N_(2)H_(4)`
    B
    0.25 mol `H_(2)O_(2)`
    C
    0.25 mol `N_(2)H_(4)`
    D
    8.5 g `H_(2)O_(2)`

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