Given the data below, calculate the mass of copper in the original sample. Mass of original sample 2.5429 g Mass of filter paper 0.5662 g Mass of paper cup 1.7514 g Mass of copper in paper cup on filtration paper 3.5406 g

Q: 1) Perform the following unit conversions: a. 35.7 moles to umol b. 0.065 mL to µL. c. 0.756 g/ml to…

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Q: sample

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Q: I. Determine the number of significa 1. 8.314 g 2. 5.008 x 10-2 mM 3. MMNACI = 58.44 g/mol %3D 4.…

A: According to guidelines, only 3 sub parts have to be answered.

Q: density of irregular solid mass of irregular solid 9.039 g initial volume 68 mL final volume 74…

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Q: Substance Mass (g) Color Taste Flammability 1. Salt 2. Sugar 3. Water

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A 75.0 g sample of a pure liquid, liquid A, with a density of 3.00 g/mL is mixed with a 75.0 mL…

A: To solve this problem we have to calculate the volume of pure solution A from its density.

Q: Diamond is a form of elemental carbon. Diamonds are weighed by carats, where 1 carat = 200 mg.…

A: Given data: Mass of 1 carat diamond = 200 mg Radius of 2.5 carat diamond = 3.24 mm

Q: 20. A chemist decomposes several samples of water into hydro- gen and oxygen and measures the mass…

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Q: Mass of 20 popcorn kernels + container 4.26 g Mass of container 2.16 g Mass of popcorn kernels…

A: The number of moles of water lost can be found out from the mass of water lost. The number of moles…

Q: Substance AB2 is 60% A by mass.  What is the percent A by mass for substance AB?  Justify your…

A: Law of definite proportions: It states that chemical compounds has formed always in a fixed ratio. 1…

Q: How much nickel is contained in a nickel coin that is 8.33% (by weight) of nickel? Recall that a…

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Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

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Q: 66. Using the picture below, describe the test sample placed in the watch glass. White crystalline…

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Q: A sample of metal weighing 4.28 g is combined with oxygen; the metal oxide weighs 40.9 g. The mass…

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Q: You are given a hammer a battery, a bulb, wires and switch(a) How could you use them to distinguish…

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Q: A student working on this lab found the mass of their sample after the first heating to be 30.6057…

A: Given information: Mass of sample at first heating = 30.6057 g Mass of sample after 5 minutes =…

Q: Use the sample experimental data to calculate the mass of sample (BaCl2•xH2O) Mass of pan 15.110 g…

A: A question based on general chemistry that is to be accomplished.

Q: . Using the measured circumference (c= 21.3 cm) of the glass ornament, calculate the radius in cm.…

A: We have to find How many silver atoms thick is the lining?  Given radius of a silver atom is 160 pm

Q: Obtain values from the pictures found in the procedure to complete the data table below. Remember to…

A: Solution :      Conversion of cg to g :               In this case, our conversion factor is 0.01.…

Q: initial mass of erlenmeyer flask 123.221 g final mass of erlenmeyer flask 133.203 g mass of water…

A: Mass of water = 10 g Volume of water = 10 mL Density of water = ?

Q: Which is a correct statement about methods for separating mixtures?A. Distillation results in the…

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Q: Calculate the mass in grams of carbon in a 1 carat diamond that contains 1.32x1022 atoms of carbon.

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Q: A 75.0 g sample of a pure liquid, liquid A, with a density of 3.00 g/mL is mixed with a 100.0 mL…

A: Given: Mass of liquid A = 75.0 g Density of liquid A = 3.00 g/mL. And volume of sample B = 100.0 mL…

Q: a student obtains a sample of a sand/salt mixture in a test tube. home weighs the test tube with the…

A: The weight consists of two term Sample and test tube .

Q: Use the sample experimental data to calculate the mass of water lost    Mass of pan 15.110 g…

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Q: A student obtained the data below after performing a similar experiment described in this…

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Q: Explain what you would do in the lab to make 234 grams of a heterogeneous mixture that contains 22%…

A: Heterogeneous mixture: A mixture in which the composition is not uniform throughout the mixture is…

Q: Tin reacts with oxygen to form tin oxide. In a particular laboratory experiment in which oxygen…

A: We will first find mass of sn, then mass of tin oxide. Using this we will calculate oxygen reacted.

Q: Brass is an alloy of copper and zinc. Varying the mass percentages of the two metals produces…

A: Mass of Yellow zinc = 135 g Brass = an alloy of Cu and Zn Yellow zinc = A brass (34-37)% Zn by mass…

Q: 9. Volume of Metal Pieces 10. Density (8/9) 8. Mass of Metal Pieces (4–2) (4–1) mL g/mL (5-2) (5–1)…

A: The data given is,

Q: Use the sample experimental data to calculate the mass of residue (BaCl2)  Mass of pan 15.110 g…

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Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

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Q: A cylindrical glass tube of length 25.75 cm and radius 2 cm is filled with argon gas. The Empty tube…

A: Given: Length is 25.75 cm. Radius is 2 cm. Weight of empty tube is 186.25 g. Weight of tube with Ar…

Q: Consider the tabulated data collected by a student for an unknown metal sample. Use this data to…

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Q: Using the given data, calculate: 1)Amount of CaCo3 2)Mass of CaCO3 in tablet 3)% mass of CaCo3 in…

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Q: A 3.53-gg sample of aluminum completely reacts with oxygen to form 6.67 gg of aluminum oxide. Use…

A: Mass of aluminum in the sample is 3.53 g. Mass of aluminum oxide is 6.67 g.

Q: weight of 1000  samples

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Q: Mass of one a mu) Carbon Type 1                                12.0 Carbon Type 2…

A: The sum of all the values of individual masses divided by the total number of items in the sample is…

Q: In doing the chemical formula experiment, the mass of original sample of compound was 2.438 g, and…

A: Mass of original sample = Mass of copper in it + Mass of chlorine in it

Q: How do i fill in this table?

A: Density = mass (g)/volume (ml)density of water = 0.997770 g/mlHere, we have mass of material…

Q: 5. Calculate the mass % (w/w) Mg(OH)2 in your Milk of Magnesia sample. (2.25) mass of Mg(OH)2 mass %…

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Q: Use the simulated data below to calculate the mass/mass percent of casein in your sample of milk.…

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Q: A student needs to identify an unknown substance found in the lab based on its physical properties.…

A: We are given physical properties like mass and volume and density data, and we have to identify the…

Q: A pycnometer is a device used to measure density. It weighs 20.455 g empty and 31.486 g when filled…

A: Density is given by,

Q: metal g/cm3 aluminum 2.70 zinc 7.13 iron 7.87 copper 8.96 Using the table above determine the…

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Q: Perform the following mathematical function. 51.11 + (0.97/2.414 × 0.32150 × e.-3.25) + 1.52444 3.4…

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Q: A student observed the following data: Water temperature change Weight of water 8° C Metal…

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Q: 2.66 + 4.38 ×10* -1.0835×10 K K JK T -1.2517×10¬ K -2.85 + 6.543×10² K?

A: Now, ∆S298 =2S298oHcl-S298oCl2-S298oH2 ∆S298 =2×186.9-223.1-130.7∆S298 =20Jkmol