How many moles of K+ are present in 343 mL of a 1.27 M solution of K3PO4?

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Q: 4. How many grams of NaBr (molar mass = 102.9 g/mol)

A: Given data : Molar mass of NaBr=102.9 g/mol Volume = 700 mL = 0.7 Litres Since, 1 Litre = 1000mL…

Q: what mass of FeSO4 is contained in 325 mL of a 1.8x10^-4 M solution of FeSO4?

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Q: How many kilograms of H 2 O must be added to 75.5 g of Ca(NO 3 ) 2 to form a 0.500 m solution ?

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Q: An 804. g solution of Kool-Aid contains 377. g of water. What is the mass percent of Kool-Aid mix in…

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Q: How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

A: Moles = molarity × volume (L) Number of moles of Na2SO4 = 1.27 M × 0.343 L = 0.43561 mole

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Q: What volume in L of a 0.200 M K2SO4 solution contains 94.6 g of K2SO4?

A: Given :- mass of K2SO4 = 94.6 g  molarity of solution = 0.200 M or 0.200  mol/L  To calculate :-…

Q: What mass of AgOH will be needed to prepare 3.0 liters of a 1.40 M solution

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Q: How many grams of AgNO 3 (molar mass = 169.87 g/mol) are needed to prepare 0.125M solution in 250 mL…

A: Given - Molarity = 0.125 M Molar mass = 169.87 gm.mole-1 Volume = 250 ml = 0.250 L (1L = 1000ml)

Q: What volume in L of a 0.200 M K2SO4 solution contains 95.6 g of K2SO4?

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Q: How many grams of H3PO4 are in 75.0 mL of a 2.50 M solution of H3PO4?

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Q: What is the molarity of a solution made by dissolving 3.75 x 10–2 g of NaHCO3 in enough water to…

A: Given information,    Mass of NaHCO3 = 3.75 x 10–2 g    Volume of solution = 200 mL = 0.200 L