Suppose you have a bucket of sand containing 5.5 billion grains of sand (5.5 × 10⁹ grains). Most of the grains of sand are white, but there are some brown grains mixed evenly throughout. If the concentration of brown sand is 2.0%, how many grains of brown sand are in the bucket? 1.1 x108 If the concentration of brown sand is 2.0 ppm, how many grains of brown sand are in the bucket? 3.6 ×10-8 brown grains brown grains

Suppose you have a bucket of sand containing 5.5 billion grains of sand (5.5 × 10⁹ grains). Most of the grains of sand are white, but there are some brown grains mixed evenly throughout. If the concentration of brown sand is 2.0%, how many grains of brown sand are in the bucket? 1.1 x108 If the concentration of brown sand is 2.0 ppm, how many grains of brown sand are in the bucket? 3.6 ×10-8 brown grains brown grains

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

A chemist prepares a solution of iron (III) chloride (FeC13) by measuring out 0.30 g of FeCl3 into a 300. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Canions in the chemist's solution. Be sure your answer is rounded to 2 significant digits. mol L x10 X Ś
Gaseous ethane (CH,CH,) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂) and gaseous water (H₂O). Suppose 0.601 g of ethane is mixed with 4.1 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round your answer to 3 significant digits. X a K
The maximum contaminant level of cyanide (CN) in drinking water as set by the the Environmental Protection Agency (EPA) is 0.00020 g · L. Express this concentration in parts per million (ppm). Assume the density of water is 1.00 g/mL. concentration: Ppm
A chemist has a solution made from 1.923 kg of ammonium phosphate dissolved in 2.1 L of water. They then dilute the solution by adding 3500. mL. How many hydrogen atoms are in the new solution?
A sample of drinking water is determined to be contaminated with dioxin. The mass percentage of dioxin in the sample is 0.085%. If the water sample has a volume of 2.5 L, how many grams of dioxin are present in the sample? Assume the density of the solution is 1.00 g/mL.
A student needs to prepare 250 mL of a 0.750 M aqueous solution of sucrose, C₁2H₂2011 (aq), which is used frequently in biological experiments. 200 mL A 150 100 50 250 mL 200 -150 100 B Which type of glassware should be used to make this solution (assuming that the accuracy of the concentration is important)? 250 mL с How should the correct amount of solute be obtained? Measure out x cm of sucrose with a ruler. O Measure out x g of solid sucrose on a balance. O Measure out x mol of solid sucrose on a molemeter.
A solution containing 405.6 mM CaCl₂ is combined with an equal volume of 176.1 mM NaCl. What is the concentration of chloride (CI) ions in the resulting solution? Express your answer using units of millimolar (mM) using at least three significant figures.
A solution is made by dissolving 19.4 g of barium chloride, BaCl2, in enough water to make exactly 500. mL of solution. Calculate the molarity of each species: BaCl2 mol/L Ba2+ mol/L Cl- mol/L
Calculate the Normality of Hcl of a solution that contains 45 g in 325 ml of water, knowing that the Molecular Mass of the Acid is 26.4 g / mol. Density is 1.19 g / ml and its purity is 27%.
In a saltwater solution (NaCl in H2O), which of these components is the solute? Which is the solvent?
A chemist prepares a solution of zinc oxalate ZnC2O4 by measuring out 0.00201μmol of zinc oxalate into a 300.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /μmolL of the chemist's zinc oxalate solution.
What is the molarity of Na+ in a solution of NaCl whose salinity is 5.6 if the solution has a density of 1.03 g>mL?