Determine how many kilograms are in 9104 milligrams.

Q: A sample of an unknown hydrated compound weighed 16.450 grams. After heating, it had a mass of…

A: We have to calculate the percentage of water by mass in the unknown hydrated compound that weighed…

Q: A mouthwash contains 23.0 %% alcohol by volume. If the bottle of mouthwash contains 315 mLmL , what…

A:

Q: what is the density an object with a mass of 1.583 g and the volume of 0.2009 ml ?

A: Density can be calculated using the equation given below:

Q: how many grams are in 11 kilograms and how many millilters are in a 0.076 liters?

A: It looks like there are two parts in the question. Please find the solution below,Part a:  How many…

Q: Convert the following measurement. mol 8. mol 4.86 x 10 2 kg m g.cm

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: How many liters are in 1 m³? As you work out the problem in dimensional analysis, what are the…

A: Volume of any substance can be expressed in the units of liters, cubic meters, cubic centimeters.

Q: 4.08x10^24 particles of hydrogen bromide weight how much?

A:

Q: Cyanidin chloride (C15H11O6Cl) contains the cyanidin ion, a pigment found in many berries. Calculate…

A: Here, we have to calculate number of moles of cyanidin chloride present in 7.2 mg.

Q: How many mL are there in 4.2qts?

A: Generally 1 US liquid quart is equal to 946.353 mL.

Q: If there are 28.35 grams in each ounce, and each marble weight 0.16 oz. What is the molecular weight…

A: Solution is given below.

Q: mol kg x m² 3.95× 108 mol 8x cm²

A:

Q: A pill that is 91.5% aspirin is found to contain 50.21 mg of aspirin. What is the mass of the pill…

A: Given: Percent of aspirin in pill = 91.5 % Mass of aspirin = 50.21 mg

Q: An atom of a particular element has a volume of 7.8 x 10-31 m3. What is this volume in cubic…

A: An atom is always neutral because of the equal number of electrons and protons. Electrons are…

Q: How much solid of BaCl2 is needed to prpare 250.0 mL OF 0.100 BaCl2? The molar mass of barium…

A: Given, 250.0 mL OF 0.100 M BaCl2 Molar mass of barium chloride is 208.2 g/mol Mass of solid BaCl2…

Q: A quantity of water is poured into a graduated cylinder, which then reads 156 mL. What is the mass…

A: Given : volume of water = 156 mL

Q: Calculate the mass in grams of each sample 3.9×1022 SO2 molecules to g Express your answer using…

A:

Q: combined mass of ten raindrops in grams?

A: Given : The mass of a raindrop = 8 milligrams or 8 mg

Q: A single water molecule has a mass of 2.99x10-23 g. Each molecule contains two hydrogen atoms that…

A: Given data, The mass of a single water molecule = 2.99 × 10-23 The percentage of two hydrogen atoms…

Q: A mouthwash contains 24.0 %% alcohol by volume. If the bottle of mouthwash contains 340 mLmL , what…

A: 24.0 % alcohol by volume implies that 24.0 mL of alcohol is present in 100 mL of solution.

Q: How many atoms are contained in 4.1 g of carbon? How can you round this answer to 2 significant…

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of carbon atoms weigh 12 g.

Q: how many nanomoles is a 83.9 pg sample of platinum?

A: Given :- mass of Pt = 83.9 pg  To calculate :- number of nanomoles of Pt  Number of moles =…

Q: a room contains 4.23 x 10^24 molecules of oxygen. what is the mass of oxygen in the room?

A: Number of mole of substance is calculated by dividing mass of substance (m) to molar mass (M) of it…

Q: Liquid octane  will react with gaseous oxygen  to produce gaseous carbon dioxide  and gaseous water…

A: Mass of octane =6.9 g Mass of oxygen = 41.0 g

Q: The Daily Value for phosphorus is 900 mgmg. How many grams of phosphorus are recommended? Express…

A:

Q: What is the mass of 1.29x10^24 particles of carbon tetrachloride ? round to 2 decimal places.

A: Given data  The number of particles of carbon tetrachloride is 1.29x1024. The mass of the sample is

Q: Use the data below to determine the mmoles of sodium oxalate to 2 decimal places. (MM sodium oxalate…

A: Given : mass of sodium oxalate = 0.093 g             MM of sodium oxalate = 134 g/mol  Tip : moles =…

Q: A pill that is 91.5% aspirin is found to contain 51.74 mg of aspirin. What is the mass of the pill…

A: Mass percent :- The mass of a component in grams present in 100 grams of the mixture is defined as…

Q: Suppose you measure out 1.080 moles of sodium chloride on the balance. If the weigh boat containing…

A: A numerical problem based on mole concept. No.of moles of NaCl is prescribed based on which the mass…

Q: If 15 grams of US quarters contain 13.75 g of copper, what is the percentage copper in the quarter?

A: Given data:

Q: Calculate the mass (in grams) of the following: 1.4×1023 goldatoms Express your answer using two…

A: The number of constituent particles or atoms present in one mole of a substance is known as Avogadro…

Q: A sample of an unknown hydrate weighs 0.500 g and after heating it weighs 0.100 g. What is the…

A:

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: A pill that is 91.5% aspirin is found to contain 53.32 mg of aspirin. What is the mass of the pill…

A: Mass percent Mass percent is calculated as Mass percent = (mass of substance/ total mass of sample)…

Q: How many kg are in 34g?

A: Given,  The mass of a substance = 34 grams  Number of Kg in 34 g is:

Q: How many Mg are in 5.52 ×1014 pg?

A: In 1 picogram, there are 1*10^ -9 mg are present.

Q: Calculate the mass in grams of each sample 9.65×1019 CH4 molecules to g Express your answer using…

A: We will convert this to mole to calculate the mass.  We know  1mole = 6.022 x 1023molecules.  the…

Q: A pill that is 91.5% aspirin is found to contain 59.99 mg of aspirin. What is the mass of the pill…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.