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To calculate the amount of NaNO3 needed to prepare a specific volume (in mL) of a molarity (M) solution, you can use the formula:
[ \text{mass (g)} = \text{molarity (M)} \times \text{volume (L)} \times \text{molar mass (g/mol)} ]
First, convert the volume from mL to L by dividing by 1000. Then, multiply the molarity by the volume in liters and the molar mass of NaNO3 (which is approximately 85 g/mol) to find the required mass in grams.
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How much water must be added to 425 g of formaldehyde to prepare a 40.0 percent by mass solution of formaldehyde?
To calculate the amount of water needed, first determine the mass of formaldehyde in the final solution. Since the solution is 40.0% formaldehyde by mass, the mass of formaldehyde is 40.0% of the final solution mass. Subtract the mass of formaldehyde in 425 g from this value to find the mass of water needed to prepare the solution.
How much gm of disodium edta require to prepare 0.05 m disodium edta solution?
To prepare a 0.05 M disodium EDTA solution, you would need to dissolve 3.72 grams of disodium EDTA dihydrate (Na2C10H14N2Na2·2H2O) in enough water to make 1 liter of solution.
How much NaNo3 will dissolve in 100 g of water a 30 c?
iin
How much gm of disodium EDTA to prepare O5 M disodium EDTA?
To prepare a 0.5 M solution of disodium EDTA, you would need to calculate the molar mass of disodium EDTA (approximately 372.24 g/mol) and then use the formula: (given concentration x volume in liters) / molar mass = mass needed. So, for 0.5 M solution: (0.5 mol/L x 1 L) / 372.24 g/mol = 0.00134 kg or 1.34 g of disodium EDTA is needed.
How much H2SO4 is needed to prepare 2000ml of 1.25H2SO4 from 98 ww H2SO4?
You need 252 g sulfuric acid.
How much solute is needed to prepare 150mL of a 40.0 percent lithium nitrate solution?
To prepare a 40.0% lithium nitrate solution, 60mL of the solution would be solvent (water) and 90mL would be solute (lithium nitrate). Therefore, you would need 90mL of lithium nitrate to prepare 150mL of the 40.0% solution.
How much NaOH is needed to prepare 546 mL of solution with a pH of 10.00?
To prepare a solution with a pH of 10.00, you will need to calculate the concentration of hydroxide ions. Once you have this concentration, you can determine the amount of NaOH needed to achieve this pH in 546 mL of solution.
You prepare a less concentrated H C l solution from a stock solution with 12m concentration. If you too 100g of the stock solution to prepare 4 MHCl solution how much water is needed to prepare o find solution 9density HCL(12) = 1,89/ml?
Image result for You prepare a less concentrated H C l solution from a stock solution with 12m concentration. If you too 100g of the stock solution to prepare 4 MHCl solution how much water is needed to prepare o find solution 9density HCL(12) = 1,89/ml? The concentration would be 0.76 mol/L.
How much water must be added to 425 g of formaldehyde to prepare a 40.0 percent by mass solution of formaldehyde?
To calculate the amount of water needed, first determine the mass of formaldehyde in the final solution. Since the solution is 40.0% formaldehyde by mass, the mass of formaldehyde is 40.0% of the final solution mass. Subtract the mass of formaldehyde in 425 g from this value to find the mass of water needed to prepare the solution.
How much time is needed to prepare french toast?
look on the box
How much CuSO4.5H2O is required to prepare 100mL of a 0.050 M aqueous stock solution?
RMM of CuSo4 . 5H2O = 160 + 5x18 = 250 g How much contain gram in 100 mL of 0.050 M CuSO4 solution is - Solution: = 0.050 x 100/1000 x 250 = 0.050x4 (100)/ 16 = 1.25 g
How much of a 4 percent solution is needed for a 100mg dose?
2.5ml
How much gm of disodium edta require to prepare 0.05 m disodium edta solution?
To prepare a 0.05 M disodium EDTA solution, you would need to dissolve 3.72 grams of disodium EDTA dihydrate (Na2C10H14N2Na2·2H2O) in enough water to make 1 liter of solution.
How much NaNo3 will dissolve in 100 g of water a 30 c?
iin
If Julie had a 2.5 molar solution of nahco3 and needed to make 50 ml of a 1.0 m solution how much nahco3 and water would she need?
To prepare 50 ml of a 1.0 M NaHCO3 solution from a 2.5 M stock solution, she would need to mix 10 ml of the 2.5 M solution with 40 ml of water. This dilution would result in a final concentration of 1.0 M.
How much KCL is required for 500mM KCL solution?
To prepare a 500mM KCl solution, you would need to dissolve 74.55 grams of KCl in enough solvent to make 1 liter of solution.
A chemist has one solution that is 60 percent chlorinated and another solution that is 40 percent chlorinated How much of the first 60 percent solution is needed to make a 100 L solution that is 5?
50liters
