please solve all questions! Thanks A) 0.274 M B) 2.74 M C) 3.04 M D) 4.19 M
Fantastic news! We've Found the answer you've been seeking!
Question:
please solve all questions! Thanks
Transcribed Image Text:
A) 0.274 M B) 2.74 M C) 3.04 M D) 4.19 M E) 17.5 M 5. Calculate the molarity of a 17.5% (by mass) aqueous solution of nitric acid (63.01 g/mol) whose density is 1.51 g/mL. d= M = 17.59 salute A) - 0.45 °C B) + 0.45 °C C) 0.23 °C D) + 0.23 °C E) 1.23 °C 7. One of the following is NOT true nsdute n = 17.S A) 2.216 B) 125.5 C) 225.9 D) 115.8 E) 86.5 100 g 1-5180-27 100 63-01 63.01 ✓= 0.27 1-51 = 0.27 mole = 1.5& mole 6. Calculate the freezing point of a solution containing 20 grams of KCl and 2200.0 grams of water. The molal-freezing-point-depression constant (K) for water is 1.86 °C/m solvent m A) The solubility of a gas in liquid is proportional to the gas pressure on top of the liquid B) Liquids that mix in all proportions are miscible C) The solubility of gases and solids in liquid increase with increasing the temperature D) Hydration is an example for solvation but when the solvent is water E) Solubility is the amount of solute needed to form a saturated solution 8. A solution is prepared by adding 40.00 g of lactose to 110.0 g of water at 55 °C The partial pressure of water above the solution is. torr. The vapor pressure of pure water at 55 °C is 118.0 torr. The molar mass of lactose is 342.3 g/mol. A) 0.274 M B) 2.74 M C) 3.04 M D) 4.19 M E) 17.5 M 5. Calculate the molarity of a 17.5% (by mass) aqueous solution of nitric acid (63.01 g/mol) whose density is 1.51 g/mL. d= M = 17.59 salute A) - 0.45 °C B) + 0.45 °C C) 0.23 °C D) + 0.23 °C E) 1.23 °C 7. One of the following is NOT true nsdute n = 17.S A) 2.216 B) 125.5 C) 225.9 D) 115.8 E) 86.5 100 g 1-5180-27 100 63-01 63.01 ✓= 0.27 1-51 = 0.27 mole = 1.5& mole 6. Calculate the freezing point of a solution containing 20 grams of KCl and 2200.0 grams of water. The molal-freezing-point-depression constant (K) for water is 1.86 °C/m solvent m A) The solubility of a gas in liquid is proportional to the gas pressure on top of the liquid B) Liquids that mix in all proportions are miscible C) The solubility of gases and solids in liquid increase with increasing the temperature D) Hydration is an example for solvation but when the solvent is water E) Solubility is the amount of solute needed to form a saturated solution 8. A solution is prepared by adding 40.00 g of lactose to 110.0 g of water at 55 °C The partial pressure of water above the solution is. torr. The vapor pressure of pure water at 55 °C is 118.0 torr. The molar mass of lactose is 342.3 g/mol.
Expert Answer:
Answer rating: 100% (QA)
5 C 304 M Explanation To calculate the molarity of the solution first the mass of nitric acid must be calculated The density of the solution is 151 gm... View the full answer
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
Posted Date:
Students also viewed these chemistry questions
-
4. Given A= 5.0,0,45,B= 3.0,0 = 270, determine the magnitude and direction of vector C given C=A+B. Show your work. 5. Consider y = y + Voyt - gt. a. Rearrange the expression to look like the...
-
ABC, Inc.'s inventory balance on December 31, year 2, was $355,000 before considering the following transactions: Goods shipped to ABC f.o.b. shipping point on December 23, year 2, were received on...
-
SOIL MECHANICS PLEASE READ QUESTION AND SOLVE IT THANKS Q.5: The following data are obtained from liquid and plastic limits test. Find: a)- LL b)- PL c)- PI d)- LI, if the natural water content of...
-
A cardboard tube is wrapped with two windings of a insulated wire wound in opposite directions, as shown in Fig. 29.34. Terminals a and b of winding A may be connected to a battery through a...
-
1. Explain the difference between holding and dictum. 2. Can the holding of a case be broader than the precedent relied on? 3. Why should dictum not be considered binding under the doctrine of stare...
-
The fiscal year-end for the Northwest Distribution Corporation is December 31. The companys 2021 financial statements were issued on March 15, 2022. The following events occurred between December 31,...
-
The efficiency ratio measures the relation between outputs from and inputs to a process. According to the WBCSD, a company wanting to become eco-efficient should strive to: 1.Reduce the material...
-
What disclosures should be made by lessees and lessors related to future lease payments?
-
Common-size and trend percents for Roxi Company's sales, cost of goods sold, and expenses follow. Common-Size Percents Trend Percents Current 2 Years Sales Year 100.0% 1 Year Ago Cost of goods sold...
-
You send daily emails about a variety of topics for a shoe store. Your open rates are low, but sale announcements perform best. Which two marketing actions would most likely increase open rates?...
-
Which of the following is true about stakeholders?* Members of the specific or task O environment are often described as stakeholders. O An organization's performance does not affect the stakeholders...
-
Interpret the statement, Every human is like all other humans, some other humans, and no other human.
-
What is idle capacity maintained to absorb unexpected demand called?
-
What type of capacity assumes normal operating conditions, including breaks for maintenance, etc.?
-
How do anthropologists differentiate culture from nonhuman animal behavior?
-
What type of capacity assumes ideal operating conditions?
-
Presume that you are a HIPAA-covered entity that is seeking to enter into a contract with a business associate. What important elements would you include in the business associate agreement contract?...
-
Data on weekday exercise time for 20 females, consistent with summary quantities given in the paper An Ecological Momentary Assessment of the Physical Activity and Sedentary Behaviour Patterns of...
-
Of the seven three-dimensional primitive lattices, which ones have a unit cell where all three lattice vectors are of the same length?
-
Gaseous hydrogen iodide is placed in a closed container at 425C, where it partially decomposes to hydrogen and idine: 2HI(g) H 2 (g) + I 2 (g). At equilibrium it is found that [HI] = 3.53 10 -3 M,...
-
You have an evacuated container of fixed volume and known mass and introduce a known mass of a gas sample. Measuring the pressure at constant temperature over time, you are surprised to see it slowly...
-
a. State the functions that apply to purchases transactions. b. For each purchasing function, indicate (1) the department that per forms the function and (2) the principal document or record, if any,...
-
State the audit objectives for expenditure cycle transactions and balances that relate to each financial statement assertion category.
-
a. Is materiality likely to be a factor in auditing expenditure cycle transactions? Why? b. What strategy will usually be adopted by the auditor in planning the audit for this cycle? Why?
Study smarter with the SolutionInn App