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What is the mass in carrots of a diamond measuring 2.0 ml
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- 1.87 A solution of ethanol in water has a volume of 54.2 mL and a mass of 49.6 g. what information would you need to look up and how would you determine the percentage of ethanol in this solution?3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1 mole of sand (ignoring the space between grains)? What is the volume in liters?A salt water solution is found to have a mass of 110.65 grams. If 1.35 grams of sodium chloride was originally added, how many grams of water are in the solution?
- The mass of acetic acid in a 2.00 mL sample of vinegar (density of the vinegar is 1.00 g/mL) is determined to be 0.233 g. What is the mass % of acetic acid in the vinegar?a label on a bottle of cough syrup shows that the bottle contains 25 mg dextromethrophan (DTN) dissolved in a solution weighing 1000.0 mg total. what is the mass percent of DTN?A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 223. umol of iron(II) bromide into a 200. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in umol/L of the chemist's iron(II) bromide solution. Be sure your answer has the correct number of significant digits. H mol L
- The molecular weight of anhydrous calcium chloride is 110.99 grams/mol. How many grams do we need for 400 ml of 790 mM calcium chloride?Your 50 mL beaker has a mass of 5.85 g. You add 10.00 mL to the 50 mL beaker and now the total mass is 16.05 g. You originally used 5.29 g of NaCl to make the solution. What is the percent composition of your solution?You add 8.34 grams of sodium bicarbonate in a test tube weighing 31.43 grams. After heating with a bunsen burner, what is the mass of the test tube + sodium carbonate?
- what is the volume in milliliters of 1.0 pints of cream?A student performs a dehydration experiment and starts with 4.4021 grams of hydrate. After heating the hydrate and allowing it to cool, the student weighs the anhydrous salt. The mass of the resulting anhydrous salt is 2.6271 grams. What is the mass of the water that was lost?What is the percent by mass NaCl of a solution that contains 85.7 grams of NaCl and 104.1 grams of water? Round your answer to 1 decimal.