How many grams of NaCl must be added to water to create 3.5 L of a...
Normal saline is 0.920% (w/v) NaCl in water. How many grams of NaCl are needed to prepare 15.0 L of normal saline? Group of answer choices 1.38 g 138 g 807 g 53.8 g 16.3 g
How many grams of NaCl would be needed to prepare 22.36 L of a 1.53 M NaCl solution? Do not include units in answer. Please round to 3 significant figures.
How many grams of NaCl would need to be added to 4001 g of water to increase the boiling temperature of the solution by 1.500 °C? (Kb for water is 0.5100 °C/m)?
How many grams of NaCl would be required to make 10,000 L of 0.154 M NaCl? That concentration is the same as 0.9% (w:v).
If 4.5 L of antifreeze solution (specific gravity = 0.80) is added to 3.5 L of water to make a 8.0 L mixture, what is the specific gravity of the mixture? Express your answer using two significant figures.
How many grams of NH4Cl must be added to 0.100 L of 0.426 M NH3 to produce a buffer solution with pH= 9.34 ? pKa (NH4Cl) = 9.24 Units are not required on the answer. Round your answer to two decimal places.
A 3.5—L sample of a 5.4 NaCl solution is diluted to 65 L. Part A What is the molarity of the diluted solution? Express your answer using two significant figures. ΑΣφ Submit Request Answer Provide Feedback
Please help Constants IPeriodic Table Ocean water contains 3.5 % NaCl by mass. Part A What mass of ocean water in grams contains 46.8 g of NaCl? Express your answer using two significant figures. Submit Request Answer Next
YPart A How many grams are in 2.20 mol of sodium chloride (NaCl)? Express your answer numerically in grams. View Available Hint(s) Submit Part B Correct Significant Figures Feedback: Your answer 128.5 g was either rounded different different number of significant figures than required for this part Part B How many water molecules are in a block of ice containing 1.50 mol of water (H2O)? Express the number of molecules numerically View Available Hint(s) molecules of H2O Submit
3a. How many grams of sucrose must be added to 430g of water to lower the vapor pressure 1.4mmHg at 25C? The vapor pressure of water at 25C is 233.8 mmHg and molar mass is 342.3 g/mol 3. Vapor pressure lowering a) How many grams of sucrose must be added to 430 R of water to lower the vapor pressure 1.4 mm Hg at 25 °C? The vapor pressure of water at 25°C is 23.8 mm Hg and the molar...