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What is the answer of what is the weight percent of potassium nitrate in a solution that is made by dissolving 30.0 g of potassium nitrate in 90.0 g of water?
To find the weight percent of potassium nitrate in the solution, first calculate the total mass of the solution, which is the sum of the mass of potassium nitrate and the mass of water: 30.0 g + 90.0 g = 120.0 g. Next, use the formula for weight percent: (mass of solute / total mass of solution) × 100%. Thus, the weight percent of potassium nitrate is (30.0 g / 120.0 g) × 100% = 25.0%.
How do you calculate percent Calcium Nitrate using the percent calcium and the percent nitrate results?
To calculate the percent Calcium Nitrate, you can add the percentage of Calcium and Nitrate together. For example, if you have 15% Calcium and 10% Nitrate, the percent Calcium Nitrate would be 25%. This assumes that the percentages are based on the weight of the compound.
How much water must be added to 40 ml of a 25 percent by weight solution to make a 2 percent by weight solution?
About 80ml of water must be added to 40ml of a 25 percent by weight solution to make a 2 percent by weight solution.
How do you convert weight percent of element into weight percent of oxides that exist?
Take 1.45 wt% oxide as an example. To remove the oxide component first you must work out the Ti component: 1.45 wt% oxide x 0.6 = Ti (wt%) because Ti in TiO2 makes up 60% its formula mass: 47.87 / 79.87 = ~0.6 Ti Thus 1.45wt% TiO2 = 0.87 wt% Ti
How do you calculate the atomic weight of a chemical element that has two or more isotopes?
To calculate the atomic weight of an element with multiple isotopes, you multiply the mass of each isotope by its relative abundance (as a decimal), then sum the products. The result is the atomic weight of the element, which is a weighted average of the masses of its isotopes based on their abundance in nature.
How to calculate percent weight loss accurately?
To calculate percent weight loss accurately, subtract the final weight from the initial weight, then divide that number by the initial weight and multiply by 100. This will give you the percentage of weight lost.
How can I calculate the weight loss percentage?
To calculate weight loss percentage, subtract the current weight from the initial weight, divide the result by the initial weight, and then multiply by 100. This will give you the weight loss percentage.
What is the formula to calculate the percentage of weight loss?
The formula to calculate the percentage of weight loss is: (Initial weight - Current weight) / Initial weight x 100.
What is the formula for calculating the percent of weight loss?
The formula for calculating the percent of weight loss is: (Initial weight - Current weight) / Initial weight x 100.
How do you calculate the percentage of weight loss in a person?
To calculate the percentage of weight loss in a person, you subtract the current weight from the initial weight, divide that number by the initial weight, and then multiply by 100. This will give you the percentage of weight loss.
How can I calculate the percentage of weight loss?
To calculate the percentage of weight loss, subtract the current weight from the original weight, then divide that number by the original weight and multiply by 100. This will give you the percentage of weight lost.
How do you calculate the percentage of weight loss?
To calculate the percentage of weight loss, you subtract the current weight from the original weight, divide that number by the original weight, and then multiply by 100. This will give you the percentage of weight lost.
How do you calculate the percentage weight loss?
To calculate percentage weight loss, you subtract the final weight from the initial weight, divide that number by the initial weight, and then multiply by 100. This gives you the percentage of weight lost.
How do you calculate the percentage of body weight loss?
To calculate the percentage of body weight loss, you divide the amount of weight lost by the starting weight and then multiply by 100. This gives you the percentage of body weight lost.
How to calculate the percentage of weight loss in a person?
To calculate the percentage of weight loss in a person, you would subtract the current weight from the initial weight, divide that number by the initial weight, and then multiply by 100 to get the percentage.
How to calculate the percentage of body weight loss?
To calculate the percentage of body weight loss, subtract the current weight from the initial weight, then divide that number by the initial weight and multiply by 100. This will give you the percentage of body weight lost.
150lbs - 20 equals what percent of weight lost?
130
