Asked by Anonymous

What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?













2. A solution is made by adding 1.23 moles of KCl to 1000.0 g of water. What is the % by mass of KCl in this solution?













3. If you have 100.0 mL of a 25% aqueous solution of ethanol, what volumes of ethanol and water are in the solution?















4. What is the percent by volume of isopropyl alcohol in a solution that contains 24 mL of isopropyl alcohol in 1.1 L of water?



















5. What is the Molarity of an aqueous solution containing 160.0 g of ammonium nitrate (NH4NO3) in 2500 m L of solution?











6. What is the Molarity of a bleach solution containing 11.7 g of NaOCl per liter of bleach?















7. Calculate the Molarity of 2.30 L of a solution containing 2.45 g of dissolved KBr.















8. How many moles of solute are contained in 15.25 mL of 2.10 M CaCl2?

















9. How many grams of KOH are in 64.3 mL of a 0.0238M KOH solution?















10. What volume of a 3.00M KI stock solution would you use to make 0.300 L of a 1.25M KI solution?



















can you please help me
Answered by DrBob222
We do better with short posts. I'll help with the first. To do all of these takes too long for a single post.<b>
What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O? </b>

%by mass = g solute/100 g solution.
%NaCl = 3.55 g NaCl/(3.55g NaCl + 88 g H2O)*100 = ??
Answered by nora
how do you calculate the % by mass of 3.55g of NaCl in 88g of water?
Answered by kris
what is the percent by volume of isopropyl alcohol in a solution that contains 24 mL of isopropyl alcohol in 1.1L of water
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