Home
Class 11
CHEMISTRY
n g of substance X reacts with m g of su...

`n g` of substance `X` reacts with `m g` of substance `Y` to from `p g` of substance `R` and p g of substance S. This reaction can be represented as, `X+Y=R+S`. The relation which can be established in the amounts of the reactants and the products will be

A

n-m=p-q

B

n+m=q+q

C

n=m

D

p=q

Text Solution

Verified by Experts

The correct Answer is:
B

`underset(ng)(X) + underset(mg)(Y) hArr underset(pg)(R) + underset(qg)(S)`
n + m = p + q by the law of conservation of mass.
Promotional Banner

Similar Questions

Explore conceptually related problems

5.2 g of substance A reacts with 2.7 g of substance B to produce 7.9 g of the substance AB . How would you justify that the result is in agreement with the law of conservation of mass ?

The time taken for reducing 40 g of a substance to 10 g, following first order kinetics is 20 minutes. If reaction is started with 100 g the amount of reactant left after 10 minutes is

A : Rate of reaction depends upon the concentration of the reactants. R : The order of reaction can be negative with respect to substance present in the reaction.

Which of the following represent 32 g fo the substance ?

0.5 g of a substance is dissolved in 25 g of a solvent calculate the percentage amount of the substance in the solution

there are three substance X,Y and Z , the substance X, does not have a fixed melting point or boiling and it still shows the individual properties of its constituents ,the substance Y has a fixed melting point and boiling but it cannot be broken down into simpler substance by any chemical means the substance Z is also a pure substance divided by electroysis into two substance which belong to the same class of substance as Y (a) what type of substance could X be ? Name one substance like X. (b) what type of substance could Y be ? Name one substance like Y. ( c) what type of substance could Z be ? Name one substance like Z. ( d) which process involves absorption or release of an appreciable amount of energy : formation of substance X or formation of substance Z.? ( e) Name the three group into which all the substance like Y are divided on the basis of their properties .

A solution is prepared by adding 5 g of a substance x to 18 g of water. Calculate the mass percent of the solute.