141mg sample was placed on a watch glass that hass a mass of 9.203g. 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: 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: mass

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Q: what is the mass, in grams

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Q: Nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas. What volume of nitrogen dioxide…

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Q: How many moles are in 1.75g Oz?

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Q: How many significant figures in a substance with a mass of 503.45?

A: No. of significant figures in a substance with a mass of 503.45?

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: A hydrate initially weighs 5.672 grams and is heated.  After heating, it weighs 4.483 grams.…

A: Given ,Initial hydrate weighs = 5.672 gAfter heating weighs = 4.483 gSo,mass in water form = Initial…

Q: Please help with question seven show how to do it on the bored need to find mass and grams in each…

A: To solve this problem we will use the following relations  6.022 × 1023 atoms of N = 1.0 mol of N…

Q: A 194g sample of caffeine contains 6.02 *10^23 molecules of caffeine. If a typical 10-hour energy…

A: 1000 mg = 1 g Given that: Amount of caffeine = 422 mg Number of molecules of caffeine per 194 g =…

Q: If a pencil manufacturer produces 288,125 pencils, how many gross of pencils can be sold? (A gross…

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Q: A glucose solution is frequently used as an intravenous (IV) solution to supply hydration and/or…

A: Solution

Q: how many mg does a 433 kg sample contain? Please answer in unit converstion form.

A: As we know, 1kg = 106 mg

Q: A patient needs 1.5 g of a solid must be given to the patient pe O 60 tablets

A: The dose of a drug: it is the quantitative amount taken by patient for the intended medicinal effect…

Q: e the mass

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Q: if you have 23.2 grams of gold what is the volume of the sample

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

Q: e mass of

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Q: Image attached

A: Given data, Mass of fluorine in 57.7g of CuF has to be calculated,

Q: 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…

A: Given that, mass of sample=141 mg mass of watch glass= 9.203 g then,

Q: Wnal is the percent by mass of iced tea containing 3.75 g of aspartame in 500 g or water?

A: Given, Mass of aspartame = 3.75 g. Mass of water = 500 g.

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: e quantity of

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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 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: How many milliliters of

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Q: C. How many grams of water are С.

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Q: t mass of oxygen is

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Q: Please help with question eight show how to do it on the bored need to find mass and grams in each…

A: The 1 mole of calcium has molar mass  40 g. Given is 2.01 x 1024 atoms of Calcuim are present. From…

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A: Given: The initial volume of water in which the rock is added = 38.5 mL. The water volume rises to…

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.

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Q: Calculate the volume in milliditers

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Q: A can contains 237 ml of soda. How much is left after 221 ml is removed ? (Express your answer to…

A: Given -> Initial volume of soda = 237 ml Removed volume of soda = 221 ml

Q: How many moles would be in 75.45 g NaCl?  (no units/labels and the number should NOT be written in…

A: Given  mass of NaCl  = 75.45 gram  Molar mass of NaCl  = (23 + 35.5)gram/mole…

Q: what is the mass of the methane

A: At STP :- 1 mol = 22.4 L  Molar mass of CH4 = 16.04 g/mol Mass of CH4 = number of moles of CH4 ×…

Q: What is the mass of one oxygen molecule in kg?

A: The chemical formula of an oxygen molecule is O2 The mass of one mole = Molar mass = 32 g/mol Now,…

Q: Determine the formula weight of KBr. Provide an answer to two decimal places.

A: Formula weight of a molecules is determine by sum of masses of all its atoms.

Q: Calculate the volume in liters of mercury(I) chloride solution

A: Molarity of solution is the ratio of number of moles of solute to the volume of solution (in L)…

Q: A homogeneous mixture is made by dissolving 9.98 grams of solid potassium nitrate in 1000 g of…

A: We’ll answer the first question since exact one was not specified. Please resubmit a question and…

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

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Q: the mass of

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Q: How many ml o

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Q: he computed percent recovery was more than 100%. What does this signify, and what should be done…

A: The computed percentage yield to be over 100% indicates that there is more recovery of the sample…

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.