In a typical person, the level of blood glucose (also known as blood sugar) is about 85 mg/100mLmg/100mL of blood. If an average body contains about 11 pints of blood, how many grams of glucose are present in the blood? Express your answer to two significant figures and include the appropriate units.

A chemistry student needs 35.0 g of acetone for an experiment. She has available 420. g of a 16.8% w/w solution of acetone in chloroform. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button. Round your answer to 3 significant digits. ☐ g x10 No solution × ⑤

A chemist must prepare 775. mL of 1.00 M aqueous calcium bromide (CaBr₂) working solution. He'll do this by pouring out some 7.04 M aqueous calcium bromide stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the calcium bromide stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits. 0 mL x Ś

A recent study found that the median concentration of lead in Canadian tap water is 2.3 x10-8 mol/L. Calculate the mass, in grams, of lead consumed when an individual drinks 3.0 L of water. You must show your work.  Then, record your final answer in scientific notation, with the correct number of significant digits and proper units.

A chemist prepares a solution of silver perchlorate (AgClO,) by weighing out 2.40 kg of silver perchlorate into a 500. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in g/dL of the chemist's silver perchlorate solution. Be sure your answer has the correct number of significant digits. x10 đL

A titration of vinegar was conducted using 0.756 M NaOH. In total, 30.54 mL of NaOH were added when the solution turned pink. How many moles of NaOH were involved in the reaction? Write your answer in standard notation with the correct number of significant figures. You do not need to include units.

Measurement and Matter Adding or subtracting and multiplying or dividing measurements 1/3 B A chemistry student must write down in her lab notebook the concentration of a solution of sodium hydroxide. The concentration of a solution equals the mass of what's dissolved divided by the total volume of the solution. Here's how the student prepared the solution: The label on the graduated cylinder says: empty weight: 7.2 g . She put some solid sodium hydroxide into the graduated cylinder and weighed it. With the sodium hydroxide added, the cylinder weighed 63.517 g. . She added water to the graduated cylinder and dissolved the sodium hydroxide completely. Then she read the total volume of the solution from the markings on the graduated cylinder. The total volume of the solution was 91.0 mL. What concentration should the student write down in her lab notebook? Be sure your answer has the correct number of significant digits. g-mL G

umol A chemist must prepare 975. mL of 16.0 µM aqueous silver(II) oxide (AgO) working solution. He'll do this by pouring out some 28.3 aqueous silver(II) oxide stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the silver(II) oxide stock solution that the chemist should pour out. Round your answer to 3 significant digits.

The concentration of an HCl solution is 0.567 g HCl/g of HCl solution (the solution containing BOTH water andHCl). What is the mass of HCl in this solution if there are 67.2 g of solution? Express your answer with 3 significantfigures.

A chemist prepares a solution of aluminum chloride (AIC13) by weighing out 21.89 g of aluminum chloride into a 200. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in g/dL of the chemist's aluminum chloride solution. Be sure your answer has the correct number of significant digits.