Calculate the N(m/m) of platinum in a gold ring that contains 18.00 g gold and XXXXXXXXXXg num of platinum. How many grams of solute are needed to prepare 250 times 10^2 g of 0.900% (m/m) NaCl? How...

Calculate the N(m/m) of platinum in a gold ring that contains 18.00 g gold and 5.5000 g num of platinum. How many grams of solute are needed to prepare 250 times 10^2 g of 0.900% (m/m) NaCl? How many mole of solute are needed to prepare 2.50 times 10 g of 5.00 % (m/m) Ammonium Chloride (NH_4Cl)? Calculate the molarity of 200.0 mL of solution containing 5.0 mol of NaOH. Sea water contains roughly 28.0 g of NaCl per liter. What is the molarity of sodium chloride in sea water? Calculate the volume of a 0.750 M sulfuric acid (H_2SO_4) solution containing 0.120 mol of solute.

Aug 22, 2022

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Calculate the N(m/m) of platinum in a gold ring that contains 18.00 g gold and XXXXXXXXXXg num of platinum. How many grams of solute are needed to prepare 250 times 10^2 g of 0.900% (m/m) NaCl? How...

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