Find the percent composition of oxygen in each of the following compounds: a) Naz0 99x2=45,98 b) Mg(NO3)2

Q: An antacid tablet was ground, and 0.510 g of the powder was dissolved in 30.00 mL of 0.500 M HCl.…

A: Mass of antacid = 0.510 g Volume of HCl = 30 mL Molarity of HCl = 0.5 M Volume of NaOH = 9.25 mL…

Q: TADATT Calculate the Aliquot Volume that must be transferred to the glassware for the dilution 5.…

A:

Q: How many moles of NaOCI would be present in 1 gallon of commercial bleach (density = 1.05 g/ml),…

A:

Q: Please use as many questions as needed to answer

A: For a) From the bar graph of plasma, it is clear that the concentration of cation in plasma is 150…

Q: Arrange the following in increasing order of acid strength. Rationalize your answer.

A: - I and - R effect increase acid strength. + I and + R effect decreases acid strength.

Q: 2. You receive a request for 2% w/w calamine in emulsifying ointment, however you only have the 5%…

A: Firstly we need to found total weight that will make it 2% w/w. Then we will subtract 200 grams to…

Q: Add KCL 20mEq/L D5NS 1 L bag @ 125ml/hr. How many bags are needed in 24 hours ?

A: Solution:    KCl D5NS show presence of potassium chloride in 5% dextrose and sodium chloride. 20 mEq…

Q: Using the stock solution above, the student made additional dilutions, with the final volumes below.…

A: [Fe(NO3)3] = 0.200 M [KSCN] = 0.00200 M Volume of  Fe(NO3)3 used = 9.60 mL millimoles of Fe(NO3)3 =…

Q: From the following formula of an ointment, calculate the grams of zinc oxide required to make 100 g…

A: We have find out the grams of zinc oxide required to make 100 gm of ointment.

Q: |(Choose one) |(Choose one)

A: When dissolved in water, a strong acid gives H+ easily whereas a weak acid dissociates very slowly…

Q: During lab, a student used a Mohr pipet to add the following solutions into a 25 mL volumetric…

A: According to the dilution formula, M1×V1=M2×V2

Q: RMR (kcal/day) = (9.99 x 79.5kg) + (6.25 X 182.9cm) - (4.92 x 35) + (166 x 1)- 161

A: RMR is the resting metabolic rate. It is the amount of energy in calories burnt while resting and it…

Q: 7. Graduated cylinders can be used if an experiment calls for specific volumes but without the level…

A: All graduated glassware can be read with one uncertain digit, i.e. the uncertainty if +/- 0.1 is the…

Q: Part C: Determination of the alcohol content of unknown liquor Stretien Volume (mL) Sample ТИШТИНА…

A: The objective of this question is to determine the alcohol content of an unknown liquor sample using…

Q: please step by step solution.

A: Given,  Effexor XR PO 75 mg AM pc c full glass of water Explanation : - Effexor XR PO 75 mg is the…

Q: Complete the table below. Round each of your entries to 2 significant digits. You may assume the…

A: Information of question

Q: A particular beer is 6.50 % ethanol by volume. If a single bottle of beer contains a total of 750.0…

A:

Q: Concentration of A (M) 45 450 minutes 550 minutes 400 minutes 500 minutes 600 minutes 4 3.5 3 2 1.5…

A: Answer:A graph between concentration and time is given to us and through observation we have to…

Q: A patient's blood pressure read as 130/85 mm Hg.  Express both numbers in terms of pounds per square…

A: A patient's blood pressure read as 130/85 mm Hg. 760 mm/Hg = 14.7 psi

Q: What is the melting point range for both Salicylic acid and Aspirin? When I found online, different…

A: The objective of the question is to predict the correct melting range for both salicylic acid and…

Q: 2. Geochemists are concerned with the chemistry of natural waters because it affects drinking water…

A: Since you have provided multiple questions with sub-parts, we will solve the first question with…

Q: 5ml of water is used to extract NO ‐1 from A wet soil sample weighing 10 grams. Another sample of…

A: IMPORTANT POINTS. The language of the question is a little ambiguous because of which the question…

Q: 1.How many mL of stock solution (50 mM KCl) will you use to prepare 25 mL of a 5X dilution? Round…

A: The concentration can be determined by the concentration equation. It is written as:Here C is the…

Q: A chemistry student needs 40.00 g of 4-methyl-2-pentanone for an experiment. She has available 1.0…

A: Given: Mass of solute 4-methyl-2-pentanone required = 40.00 g. Mass of available solution = 1.0 Kg =…

Q: During lab, a student used a Mohr pipet to add the following solutions into a 25 mL volumetric…

A: According to the dilution formula, M1×V1=M2×V2

Q: /Explain how the two vitamins below reacts with water.Ensure you use the following polar,non-polar…

A: The polarity of molecule  decide its solubility more polar molecules are more soluble in  water .

Q: How long (in seconds) does it take for the concentration of A to decrease to 0.00800 M? Enter your…

A: Answer:Here:

Q: solution 2 were taken and added to a flask and 50 mL of Di water were added to the flask. This is…

A: To calculate concentration of each solution, at first  let us calculate the concentration in terms…

Q: Complete the table below. Be sure each of your answer entries has the correct number of significant…

A:

Q: 16. A physician orders that a child should be given potassium chloride milliequivalents per kilogram…

A: A physician orders that a child should be given potassium chloride (KCl) 1.6 milliequivalents per…

Q: In a 0.32 mM aqueous solution of trimethylacetic acid (C₂H,CO₂H), what is the percentage of…

A:

Q: What is the concentration in parts per million of DDT in each of the following? Part 1 of 2 3.4 mg…

A:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.