Determine how many grams of ammonium phosphate would be needed to prepare 650 mL of 3.5% (m/v) ammonium phosphate solution. Express in scientific notation.
Determine how many grams of ammonium phosphate would be needed to prepare 650 mL of 3.5%...
18) How many grams of ammonium chloride are in 23.5 ml of a 0.887 M ammonium chloride solution? Make sure to express in the correct # of significant figures
How many grams of sodium phosphate, Na3PO4, must be dissolved to prepare 400. mL of a 0.182 M aqueous solution of the salt?
how many grams of NaF are needed to prepare 250. mL of a 3.50% m/v solution?
4. How many grams of KCl are needed to prepare 20 mL of a 0.5% (m/v) solution?
How many grams of glucose are needed to prepare 552 mL of a 2.0%(m/v) glucose solution?
3) How many grams of K2CO3 would be needed to make 4.55 mL of a 15.00 (m/v) solution?
7. How many grams of lithium phosphate are needed to prepare 4.0 liters of a 0.2 M solution of lithium phosphate ? 13. Which of the following is a chemical change? Melting naphthalene a covalent compound, cooking an egg, slicing a tomato, heating baking soda, sodium bicarbonate, heating fat with a strong base, pumping gasoline, mixing and acid with a base ?
How many grams of Na2CO3 (FW = 106) are needed to prepare: a) 250 mL of 6.0 M solution b) 250 g of a 10% solution
How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that is 2.0%w/v? Do NOT include any units, just answer with the NUMBER of grams, for example: 4.2 or 13 or 220. Type your response What is the new concentration, if solvent is added to 20.0 mL of a solution that is 4.0%w/v, until the total volume of the solution is 100.0 mL? (DO NOT include any units with your answer.) Type your response 25...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...