two elements R and Q combine to form two binary compound ,14g of R combine with 3.00g of Q. In the second compound,7.00g of R combine with 4.5g of Q. If the formula of second compound is RQ, what is the formula of first compound?
To find the formula of the first compound, we need to determine the ratio of the masses of elements R and Q in both compounds.
Let's start by calculating the ratio of R to Q in the second compound (RQ):
Mass of R in RQ compound = 7.00g
Mass of Q in RQ compound = 4.5g
Next, we find the ratio by dividing the mass of R by the mass of Q:
Ratio of R to Q in RQ compound = Mass of R / Mass of Q
= 7.00g / 4.5g
= 1.56
Now, let's calculate the ratio of R to Q in the first compound:
Mass of R in first compound = 14g
Mass of Q in first compound = 3.00g
Again, we divide the mass of R by the mass of Q:
Ratio of R to Q in the first compound = Mass of R / Mass of Q
= 14g / 3.00g
= 4.67
Since the ratio of R to Q in the first compound is different from the ratio in the second compound, we can conclude that the formula of the first compound is not RQ.
Unfortunately, without further information, we cannot determine the exact formula of the first compound. We would need additional data on the masses or ratios of R and Q in the first compound.