To find the mass percent of compound X, we first need to find the mass of the solvent.

Step 1: Convert the volume of the solvent (alcohol) to mass.
We know that density = mass/volume. So, mass = density * volume.
Given that the density of alcohol is 789 kg/m3 (or 0.789 g/ml) and the volume is 350 ml, we can find the mass as follows:
Mass of alcohol = 0.789 g/ml * 350 ml = 276.15 g

Step 2: Calculate the total mass.
The total mass is the sum of the mass of the solvent (alcohol) and the mass of the solute (compound X).
Total mass = mass of alcohol + mass of compound X = 276.15 g + 30 g = 306.15 g

Step 3: Calculate the mass percent of compound X.
The mass percent is given by the formula: (mass of solute / total mass) * 100%
Mass percent of compound X = (30 g / 306.15 g) * 100% = 9.80%

So, the mass percent of compound X is 9.80%.

Question

To find the mass percent of compound X, we first need to find the mass of the solvent.

Step 1: Convert the volume of the solvent (alcohol) to mass. 
We know that density = mass/volume. So, mass = density * volume. 
Given that the density of alcohol is 789 kg/m3 (or 0.789 g/ml) and the volume is 350 ml, we can find the mass as follows:
Mass of alcohol = 0.789 g/ml * 350 ml = 276.15 g

Step 2: Calculate the total mass. 
The total mass is the sum of the mass of the solvent (alcohol) and the mass of the solute (compound X). 
Total mass = mass of alcohol + mass of compound X = 276.15 g + 30 g = 306.15 g

Step 3: Calculate the mass percent of compound X. 
The mass percent is given by the formula: (mass of solute / total mass) * 100%
Mass percent of compound X = (30 g / 306.15 g) * 100% = 9.80%

So, the mass percent of compound X is 9.80%.

Knowee AI · Accepted Answer

To find the mass percent of compound X, we first need to find the mass of the solvent.

Step 1: Convert the volume of the solvent (alcohol) to mass. 
We know that density = mass/volume. So, mass = density * volume. 
Given that the density of alcohol is 789 kg/m3 (or 0.789 g/ml) and the volume is 350 ml, we can find the mass as follows:
Mass of alcohol = 0.789 g/ml * 350 ml = 276.15 g

Step 2: Calculate the total mass. 
The total mass is the sum of the mass of the solvent (alcohol) and the mass of the solute (compound X). 
Total mass = mass of alcohol + mass of compound X = 276.15 g + 30 g = 306.15 g

Step 3: Calculate the mass percent of compound X. 
The mass percent is given by the formula: (mass of solute / total mass) * 100%
Mass percent of compound X = (30 g / 306.15 g) * 100% = 9.80%

So, the mass percent of compound X is 9.80%.

With 350 ml density as solvent a compound X weighing 30 g is dissolved. Find the Mass Percent of Compound X. Given that density of alcohol is 789 kg/m3

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