Web13. jan 2024. · At room temperature, water has a density of 0.99802 g/mL; so, (to an appropriate number of significant figures) Olga can get her 100 g from a 100 mL water/salt solution. Report 01/13/19

Olga needs 100g of 18% salt solution. How much water and how …

WebAnswer (1 of 4): The key is to recognize the percentage concentration is mass of solute divided by mass of solution, not the original solvent. If you add x grams of salt, the solution has a mass of 250 g + x x/(250 g + x) = 0.15 x = 250 g * 0.15/0.85 = 44.12 g (rounded) Check 44.12/294.12 = 0... WebHow many grams of NaCl are required to make 1200 grams of a 1.1% (w/w) solution? Olga needs 100 g of 18% salt solution. How much water and how much salt should she … how to start clean eating for beginners

How many gallons of a 3% salt solution must be mixed with 50 …

WebA nurse needs 50 mL of a 16% salt solution for a patient. She can only find a 13% salt solution and an 18% salt solution in the supply room. How many millimeters of the 13% solution should be mixed with the 18% solution to produce the desired amount of the 16% solution?-----Equation:: salt + salt = salt 0.13x + 0.18(50-x) = 0.16*50----- Web14. nov 2024. · A chemist needs 50 mL of a 16% salt solution for an experiment. She can only find a 13% salt solution and an 18% salt solution in the supply room. How many milliliters of the 13% solution should be mixed with the 18% solution to produce the desired amount of the 16% solution? WebHow many grams of NaCl are required to make 1200 grams of a 1.1% (w/w) solution? Olga needs 100 g of 18% salt solution. How much water and how much salt should she … how to start cleaning for airbnb