Titration of a 0.7513-g sample of impure Na2B4O7 required 30.79 mL of 0.1129 M HCl. Express the
Question:
(a) Na2B4O7.
(b) Na2B4O7 ∙ 10H2O.
(c) B2O3.
(d) B.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 60% (5 reviews)
For each part we can write a Pro...View the full answer
Answered By
Patrick Busaka
I am a result oriented and motivated person with passion for challenges because they provide me an opportunity to grow professionally.
5.00+
38+ Reviews
58+ Question Solved
Related Book For
Fundamentals of Analytical Chemistry
ISBN: 978-0495558286
9th edition
Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch
Question Posted:
Students also viewed these Chemical Engineering questions
-
An 8.13-g sample of an ant-control preparation was decomposed by wet-ashing with H2SO4 and HNO3. The As in the residue was reduced to the trivalent state with hydrazine. After removal of the excess...
-
A 0.4230g sample of impure sodium nitrate was heated, converting all the sodium nitrate to 0.2864 g of sodium nitrite and oxygen gas. Determine the percent of sodium nitrate in the original sample.
-
A 0.5895-g sample of impure magnesium hydroxide is dissolved in 100.0 mL of 0.2050 M HCl solution. The excess acid then needs 19.85 mL of 0.1020 M NaOH for neutralization. Calculate the percent by...
-
a. Distinguish between internal common equity and new common stock. b. Why is there a cost associated with internal common equity? c. Describe two approaches that could be used in computing the cost...
-
Oliver and James are equal owners of OJ Company. During the current year, when OJ Company is insolvent by $100,000, a creditor reduces one of OJs debts by $50,000. For the year, OJ incurs a $20,000...
-
Mar Co. is a construction company. In 2018 , it entered into a two-year contract to construct a building for \(\$ 3,000,000\). It estimated that actual costs will be \(\$ 2,500,000\). Actual costs in...
-
At the same temperature and pressure, the chemical potentials of a component in two phases under equilibrium conditions (a) Are equal (b) Are different (c) Can not be predicted (d) None of these.
-
Cruger Bike Company (CBC) makes the frames used to build its bicycles. During 2014, CBC made 20,000 frames; the costs incurred follow. Unit-level materials costs (20,000 units x $30) ....... $...
-
1. Mr. Van Dam is hitting a ball from the fairway toward the green. He chooses a 5-iron and strikes the ball with a velocity of 48.5 m/s at an angle of 35.0 above the horizontal. Assuming the fairway...
-
Patricia and Greg Williams, both aged 67, have recently retired. In considering their retirement plans, Williams have decided to do an audit on their current financial situation. On 1 July 2019, they...
-
A 50.00-mL sample of a white dinner wine required 24.57 mL of 0.03291 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in grams of tartaric acid (H2C4H4O6; 150.09 g/mol)...
-
The formaldehyde content of a pesticide preparation was determined by weighing 0.2985 g of the liquid sample into a flask containing 50.0 mL of 0.0959 M NaOH and 50 mL of 3% H2O2. Upon heating, the...
-
The CSAs Corporate Governance Guidelines are designed to help companies: (a) improve their corporate structure. (b) improve performance. (c) enhance their accountability to shareholders and other...
-
Is the CCC the appropriate hurdle rate for all projects that a business evaluates?
-
When water freezes to make a snowflake crystal, the entropy of the water A. Decreases. B. Increases. C. Does not change.
-
Can you produce a net impulse on an automobile by sitting inside and pushing on the dashboard? Defend your answer.
-
a. What do bond ratings measure? b. How do investors interpret bond ratings? c. Why are bond ratings important? d. What is credit enhancement?
-
Briefly explain the following debt features: a. Loan agreement b. Restrictive covenant c. Trustee d. Call provision
-
The ICU data file contains information of a study made with adult patients that were alive when admitted in the Intensive Care Unit (ICU) of a hospital. Variable descriptions are located in the...
-
Explain why it is not wise to accept a null hypothesis.
-
What is a supporting electrolyte, and what is its role in electrochemistry?
-
How do concentration polarization and kinetic polarization resemble one another? How do they differ?
-
What experimental variables affect concentration polarization in an electrochemical cell?
-
Question: Read the document on this link: https://pui2022q4.tiiny.site/ 1. You form part of a company in South Africa and you have to continuously do business locally and internationally on the...
-
Banjo Education Corp. issued a 4%, $80,000 bond that pays interest semiannually each June 30 and December 31. The date of issuance was January 1, 2020. The bonds mature after four years. The market...
-
A projectile if fired from 19.6m above the ground with an initial speed of 55.6m/s at an angle of 41.2 degrees above the horizontal. a) Determine the time necessary for the projectile to reach its...
Study smarter with the SolutionInn App