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how to many grams prepare each of of solure would you following Solution? use a) 250.0...
How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution?
Whole milk contains 3.6% (m/m) butterfat. How many grams of fat is in a cold glass of milk (8.00 fluid oz.)? The density of whole milk at 4°C is 1.033 g/mL and 1 mL = 0.034 fl. oz. 243 grams 0.288 grams 8.75 grams Question 19 1 pts A bottle of cold medicine contains 25% (v/v) ethyl alcohol (ethanol) in water. In 125 mL of medicine, how much ethyl alcohol is there in mL)? Ethyl alcohol is C2H60 and has...
#29 and 32
ws (29. How many grams of nitric acid are present in 250.0 mL of 6.70M acid solution? a. 16.8 g b. 106 g c. 335g d. 211 g 30. How many liters of water are required to prepare a 0.1590 M silver nitrate solution if 1.00 pound of silver nitrate is used? a. 8.38 L b. 16.8 L c. 7.61 L d. 36.9 L 31. Considering that calcium chloride is a strong electrolyte, what is the molarity...
How many grams of solute would you use to prepare the following solutions? 1. 349.5 mL of 1.05 M NaOH 2. 1.35 L of 0.471 M glucose (C6H12O6)
How many grams of Na2CO3 are present in a 0.25 m solution prepared using 250.0 grams water? answer is 6.62g. Can you explain step by step. thank you!
How you would prepare a solution of 250.0 mL of a 0.150M phosphate buffer at ph=7. (phosphoric acid pka1=2.12, pka2=7.21, pka3=12.32). What would the pH of the buffer be if 5.00mL of 1.10M HCL was added to 100mL sample of the prepared buffer.
How many chloride ions are present in 250.0 mL of 0.173 M CaCl2 solution? How many mL of 1.55 M NaOH solution do you need to prepare 125.0 mL of 0.0500 M NaOH solution?
11. How many grams of solid KOH are needed to prepare 250.0 mL of 0.205 M KOH? O 0.820 g O 11.480g O 0.205 g O 0.0515 O 2.875 g
How many grams of the solute NaCl are dissolved in 250.0 mL of a 12.5 % (m/v) NaCl solution? A. 31.3 g B. 20.0 g C. 3.13 g D. 12.5 g
17) How many grams of water are in 250.0 g of a 5% by mass solution? How many grams of sugar are in this solution? 18) A solution is prepared with 45.0 g of NaCl in enough water to make a 50mL solution. What is the molarity of the solution? 19) If 345 g of MgCl, solution is evaporated and 32.8 g of magnesium chloride are collected. What is the mass percent of the salt in the solution? How much...