Part A If someone consumes 27 g of sodium chloride per day, what mass (in grams) of sodium does that person consume? Sodium chloride is 39 % sodium b mass. Express the mass to two significant figures and include the appropriate units. ? Value Units Submit Request Answer
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- At sea, distances are measured in nautical miles and speeds are expressed in knots. 1 nautical mile =6076.12ft 1 knot =1 nautical mi/h (exactly) (a) How many miles are in one nautical mile? (b) How many meters are in one nautical mile? (c) A ship is traveling at a rate of 22 knots. Express the ship's speed in miles per hour.B. Density of Liquid 1. Obtain a sample of distilled water (any quantity of your choice) anddetermine its mass and volume. Record your data on table 3 in theexperimental report 2. Calculate the density of the water sample using equation 1 Substance Density (g/mL) Substance Density (g/mL)Aluminum 2.7 Lead 11.3Brass 8.4 Zinc 7.1 Copper 8.9 Cork 0.26Tin 7.3 Silver 10.5Bone 1.80 Rhodium 12.4Iron 7.9 Platinum 21.45 Density of Liquid Density can be determined in the laboratory by measuring the mass and volume ofa substance. To measure the density of a liquid, first measure the mass of a clean,dry beaker. Then add…B. Density of Liquid 1. Obtain a sample of distilled water (any quantity of your choice) anddetermine its mass and volume. Record your data on table 3 in theexperimental report 2. Calculate the density of the water sample using equation 1. Substance Density (g/mL) Substance Density (g/mL) Aluminum 2.7 Lead 11.3 Brass 8.4 Zinc 7.1 Copper 8.9 Cork 0.26 Tin 7.3 Silver 10.5 Bone 1.80 Rhodium 12.4 Iron 7.9 Platinum 21.45
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- A group of five students attempted to estimate 100 g of a substance by balancingthe amount of the substance with a 100-g standard mass and obtained the followingmasses after each estimated amount was weighed: 95.8634 g, 80.8125 g, 106.5078g, 98.2865 g, and 86.4453 g. Create a data table as shown below and use the datato determine the answers to the following questions:Mass (g) Deviation (g) % Deviation Error (g) % Errora) What is the mean? And what is the true value?b) What are the deviation and % deviation from the mean for each value?c) What are the error and % error for each value?The mass of preheated crucible with cover was 12.1125 g. After the hydrate sample was added, the weight increased to 13.1533 g. After heating the crucible for three times in order to remove hydrate water and bring it to the constant weight the lowest of the three mass measurements was 12.9971 g. 1)What is the mass percent of water in the hydrate? Please report your answer with the correct number of significant figures but without "%" (Canvas will not let you to enter units in this problem). 2) What is the theoretical mass % of water in the hydrate if the salt is BaCl2 x 2H2O? Make sure you use enough significant figures for the atomic weights of the elements and round your answer to 3 decimals. 3) What is the mass of the hydrate placed in the crucible? 4) What is the mass of the anhydrous salt?1. Which is more accurate and precise when measuring liquids: Erlenmeyer Flask or Beaker? why? 2. How will you compare the accuracy of the graduated cylinder and burette to other liquid containers such as beakers, Elenmeyer Flask, etc? 3. What do you think are the techniques for measuring the mass of solid materials? (using an analytical balance, topload balance, etc.)
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