8. A 141 mg sample was placed on a watch glass that has a mass of 9.203 g. What is the mass of the watch glass and sample in grams?

Q: 50. A 56-g sample of iron reacts with 24 g of oxygen to form how many grams of iron oxide?

A: Interpretation - A 56 g sample of iron reacts with 24 g of oxygen to form iron oxide. The grams of…

Q: An alcoholic drink contains 36% alcohol by volume. Calculate the volume in ml of alcohol present in…

A: Given :         Volumn % = 36 %         Total Volume = 1000 we have to find the Volume in ml of…

Q: How many moles of water are in 1.00 L of water, whose density is1.00 g/mL?

A:

Q: How many grams are in 598 mg

A: Units of measurement is a specific magnitude for a particular physical quantity. It provides meaning…

Q: what is the mass, in grams

A:

Q: 1. Why should solid NaOH be weighed on a watch glass and not on a paper?

A: We know solid NaOH can't be weighed on a paper. We use watch glass for weighing NaOH. Here we will…

Q: mL. What is t

A: To find the density of the substance whose mass of the substance is 50g  volume is 85.0ml

Q: How many kcal/mol are in 206.16 kJ/mol? Do not put units in your answer. Do use proper significant…

A: Kcal/mol to KJ/ mol  1kcal/mol= 4.184 kilojoules   In SI units one kilocalorie per mole is…

Q: A beaker has a mass of 225.08g . When a liquid is added to the beaker, the combined mass is…

A:

Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A: The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully…

Q: A sample of sodium reacts completely with 0.213 kg of chlorine, forming 351 g of sodium chloride.…

A:

Q: What mass of sodium chloride and what volume of water a.

A: The mass percentage of any substance is given by the formula below. Mass percent=Mass of the…

Q: How many moles are in 1.75g Oz?

A:

Q: What is the volume of 1000 g of metal A?

A: Interpretation-  To determine the volume of 1000g of metal A -    Introduction-  To determine the…

Q: What is the volume of a piece of silver metal that has a mass of 143 g?

A:

Q: How many grams of Xe are contained in 454 mL?

A: Density of a substance is given as the mass per unit volume. The density is directly proportional to…

Q: A medical laboratory test is run using a 4.8 UL blood sample. What is this volume in milliliters ?…

A: Since 1 μL = 10-3 mL Hence the volume in μL X 10-3 = volume in mL

Q: 14. What is the mass in kilograms of 680 mL of a substance that has a density of 0.930 g/mL?

A: We have to calculate the mass in Kg.

Q: 100.0 g of lead(II) nitrate is reacted with 50.0 g of potassium iodide (in plenty of water). How…

A:

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A: Mass percentage of chromium = 18 % Mass percentage of Nickel= 8% Mass percentage of iron = 100 - (18…

Q: Obtain the % sodium by mass in a 36 g snack food with 110 mg sodium

A: Given,  36 g snack food with 110 mg sodium

Q: ny grams of products wil

A:

Q: What is the mass in grams of Potassium Chloride present in 23.0 g potassium chloride of 12.50…

A: Here we assume that the mass percent of KCl = 23% or 0.23g we use

Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A: Density is the ratio of mass and volume.

Q: A 10.0 mL sample of oil is transferred into a beaker with a mass of 43.559 g. The mass of

A: given  beaker mass =43.559 gr  sample of oil volume =10 ml beaker mass with oil=56.890 gr mass of…

Q: A 28.0-g sample of nitrogen gas combines completely with 6.0 g of hydrogen gas to form ammonia. What…

A: Nitrogen gas reacts with hydrogen gas to form ammonia. Write the complete reaction. N2g+3H2g→2NH3g

Q: What is the combined mass in grams of object that have masses of 0.2000kg, 80.0g and 524mg

A:

Q: 47.9 grams of nitric acid are reacted with 39.3 grams of potassium sulfate. How much nitrate can be…

A: Consider the given information is as follows; Mass of nitric acid HNO3 = 47.9 g Mass of potassium…

Q: A student determines the calcium content of a solution by first precipitating it as calcium…

A: Given data,Molarity of Ca(NO3)2=0.531MVolume of Ca(NO3)2=34.0mL=0.034L

Q: An alcoholic drink contains 44% alcohol by volume. Calculate the volume in ml of alcohol present in…

A: Volume by volume percent (V/V %): It is calculated as the volume of solute divided by the volume of…

Q: steel is an alloy of iron, carbon, and other metals, typically steel contains 2.14% carbon by mass.…

A: We have to calculate the total mass of steel sample.

Q: What is the mass of copper, g in 1.652g of copper chloride? what is the mass of chlorine g

A: Copper Chloride ( CuCl2 ) Molar mass of CuCl2 = 134.45 g/mol   1 mole CuCl2 contains ;  1 mole of…

Q: An alloy is made by mixing 40.0 grams of tin, 30.0 grams of lead and 55.0 grams of copper. What is…

A:

Q: An alloy is made by mixing 35.0 g of gold 42.0 G of nickel and 51.5 G of aluminum what is the…

A: Total mass of alloy = Mass of gold + Mass of Nickel + Mass of Aluminum = 35.0 g + 42.0 g + 51.5 g =…

Q: 141mg sample was placed on a watch glass that hass a mass of 9.203g. what is the mass of the watch…

A: Given,Mass of sample = 141mg.Mass of watch glass = 9.203g.The mass of sample is converted into grams…

Q: Brass is a combination of copper and zinc in different percentages. What mass of copper is contained…

A: A question based on concentration terms that is to be accomplished.

Q: A 13.0-g sample of X combines with a 34.0-g sample of Y to form the compound X Y 2 . What is the…

A: Law of Conservation of mass: According to the law of conservation of mass, mass can neither be…

Q: v milliliters c

A:

Q: Question attached

A: The weight of 136 washers and number of washers in 118 g should be calculated.

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A:

Q: Stainless steel is composed of iron, manganese, chromium, and nickel. If a 2.00 g sample was…

A:

Q: An unknown liquid has a density of 0.83g/mL.  How many are needed to obtain a mass of 32g?

A: Density of a substance is defined as the mass of a substance present in the given volume of…

Q: How many GRAMS of sodium are present in 1.41 grams of sodium chloride, NaCl ? ____grams sodium How…

A: Given,Mass of sodium chloride, NaCl = 1.41 gMoles of NaCl can be calculated as:

Q: The mole is a unit that counts things and it can be converted into

A: Mole is the unit of the amount used extensively in the calculation of chemistry. The mole amount of…

Q: The mass of ten paper clips was found to be 10.135 g. What is the average mass of a paper clip in…

A: Average or mean is the way to get the central value of any experimental data. It is one of the most…

Q: A chemist prepares a solution of silver(I) nitrate (AGNO,) by measuring out 413. umol of silver(I)…

A:

Q: Saline

A: We will use formula of (w/v)%

Q: What is the percent by mass of NaCl

A: Percent by mass of NaCl = (mass of NaCl/mass of solution) × 100%