a sample of gold and quarts weighs 100g the density of gold 19.3 and quarts 2.65 and for sample 0.4( g)/(c)m^(3). determine the weight of gold in the sample

Q: A sample of metal weighing 2.24 g is combined with oxygen; the metal oxide weighs 23.5 g. The mass…

A: Given values-> Weight of metal = 2.24gram Weight of metal oxide = 23.5gram

Q: If 10.00 mL (measured using a volumetric pipette) of a solution is pipetted into a 50 mL beaker…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: The mass of a beaker is 8.342 grams. After 3.00 mL of an organic liquid is pipetted into the beaker,…

A: Density of organic liquid can be defined as the mass of organic liquid per unit volume of that…

Q: A student performed an analysis of a sample for its calcium content andgot the following results:…

A: The question is based on the concept of analytical chemistry. we have to explain regarding accuracy…

Q: Solve the given problem related to population growth. A city had a population of 22,400 in 2007 and…

A:

Q: 8.27x10^24 particles of hydrogen bromide weigh how much? round answer to 2 decimal places.

A: According to the question, The number of particles for the Bromide is given by  = 8.27×1024 particle…

Q: A pycnometer is a glass flask with a tight fitting glass stopper that can be used to determine the…

A: A pycnometer is an apparatus that can be used to determine the density of an insoluble solid by…

Q: student sets up the following equation to The ? stands for a number the student is going to…

A: (-8.1*104 cm3)this value converts to m3concept 1m = 100 cm 1 cm3 = 1/1000000 m31cm3 = 1*10-6 m3

Q: Two students determine the percentage of lead in a sampleas a laboratory exercise. The true…

A:

Q: What is the percentage uncertainty with the following measurement 0.100 ± 0.005 g? Provide your…

A: Given:  0.100 ± 0.005 To find: The percentage uncertainity of the given measurement

Q: A chemist must dilute 52.5 mL of 323. mM aqueous silver perchlorate (AgCio,) solution until the…

A: Molarity is calculated in terms of moles per litre. It basically tells the amount of moles present…

Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A: We have to calculate the values in each unit i.e. in cal, kcal and in kJ.

Q: 4. Given the density of Au is 19.3 g/cm3, determine the mass of gold in an ingot having a volume of…

A: See the solution given below of question 4 (There are multiple questions: Since you have posted…

Q: 1. A student weighs an empty special round bottom flask and stopper. He finds the mass to be 56.972…

A: Volume(V) = 240.2 mLPressure(P) = 743 mmHgMass of empty flask and stopper = 56.972 gMass of flask,…

Q: A barometer is filled with a cylindrical column of mercury that is 76.0 cm high and 1.000 cm in…

A: Volume of a cylinder is given by the equation,

Q: Express (5.25*10^4) megameters to meters

A: The given value isWe have to convert this value to meters.