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What is the percentage of oxygen by mass in water?
The percentage of oxygen by mass in water is approximately 88.8%.
How do you calculate the percentage of water in a hydrate?
To calculate the percentage of water in a hydrate, you first determine the molar mass of the water and the compound. Then, you divide the molar mass of the water by the molar mass of the hydrate and multiply by 100 to get the percentage.
What is the percentage of water to the nearest tenth in this compound BaOH2 8H2O?
The compound Ba(OH)2·8H2O has 8 water molecules associated with it. To find the percentage of water in the compound, calculate the molar mass of the water molecules (8H2O) and the molar mass of the entire compound (Ba(OH)2·8H2O). Then divide the molar mass of the water by the molar mass of the entire compound and multiply by 100 to get the percentage of water.
How Determination of mass percentage of water in fruit?
To determine the mass percentage of water in fruit, first weigh a fresh sample of the fruit to obtain its initial mass. Then, dry the fruit completely (using an oven or dehydrator) until no further weight loss occurs, and weigh it again to get the dry mass. The mass percentage of water can be calculated using the formula: [(\text{Initial mass} - \text{Dry mass}) / \text{Initial mass} \times 100%]. This result indicates the proportion of the fruit's mass that was due to water content.
An unknown hydrate ac xH2O has a mass of 1.632 g and the anhydrous compound AC has a mass of 1.008 g What is the experimental percentage of water in the hydrate?
To find the experimental percentage of water in the hydrate, we need to calculate the mass of water lost during dehydration. Mass of water lost = 1.632 g - 1.008 g = 0.624 g Experimental percentage of water = (mass of water lost / initial mass of hydrate) x 100% = (0.624 g / 1.632 g) x 100% ≈ 38.24%
What percentage of water mass is your body?
60 percent of your body is water.
What percentage of your body mass is water?
The average adult human body is about 60 water.
What is the percentage by mass of 5grams of iron sulfate dissolved in 75grams of water?
The mass of the solution is 5g (iron sulfate) + 75g (water) = 80g. Therefore, the percentage by mass of iron sulfate in the solution is (5g / 80g) * 100% = 6.25%.
How do you calculate the percent water in a hydrate?
To calculate the percent water in a hydrate, you first determine the mass of water in the hydrate by subtracting the mass of the anhydrous compound from the mass of the hydrate. Then, divide the mass of water by the total mass of the hydrate and multiply by 100 to get the percentage.
How do you find water by mass in a compound?
To find water by mass in a compound, you can calculate the difference in mass before and after heating the compound to drive off the water. The lost mass represents the mass of water present in the compound. You can then calculate the percentage of water in the compound by dividing the mass of water by the total mass of the compound and multiplying by 100.
What i the percentage by mass concentratioof a solution made by combining 12.0gof NaNO3 with 100.0g of water?
This percentage is 12 %.
What is the percentage composition by mass of water in hydrated aluminosilicate , Al2O32SiO2.2H2O?
6.89%
