8.5 D Chemistry Retest 5 of 55 of 5 Items Question POSSIBLE POINTS: 20 -:---:-- The chemical formula of ammonium phosphite is shown below. (NH4)3PO3 How many total atoms are in one molecule of ammonium phosphite? Responses 19 19 10 10 12 12 16

Q: Name the following compound: NH₂

A: We have to name the compound.

Q: Complete the table below for calculating the molecular weight of the compound water, H₂O. Atomic…

A: Molecular weight of any compound/ substance can be calculated by combining the atomic mass of all…

Q: From the following, pick those that are empirical forme

A: Simplest whole number ratio of constituent elements in a compound is called empirical formula…

Q: Determine the number of each lon present In the glven compound. LI3N LIt: 1 Ca(CN)2 Ca*: (Click to…

A: Given  Compound  = Li3N , Ca(CN)2  , Fe2(SO4)3 ,Sr(ClO3)2 , ( NH4 )3PO3 Number of ions  = ?

Q: Q2 (6 points) 2) Complete all parts of the following: (Consider significant figures in this section…

A: 1 mole of Barium has Avogadro's number of atoms in it Avogadro's number = 6.022x1023 1 mole of…

Q: ) Ag:CrO4 ) HIO2(aq) ) Hg:(PO4)2 SnF2

A:

Q: An oxide of nitrogen contains 30.45 % N by mass. What is the empirical formula of the oxide? (MW for…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: Which of the following statements is incorrect? Multiple Choice O O N₂H4 has four times as many…

A: The ratio of the atoms present in a compound is the ratio of the number of atoms present in a…

Q: 1. How many GRAMS of carbon are present in 1.27 moles of carbon tetrachloride ? 2. How many MOLES of…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Part E An IV of normal saline solution has a flow rate of 95 mL per hour. Enter the equality for…

A:

Q: - Conversions using Avogadro’s number (One Step Problems) a) How many atoms are present in 34.69…

A: 4 numerical problems based on the conversion using Avogadro number, whose answer is to be…

Q: 9. There are 1.5 x 1023 atoms in 2.5 moles of zinc. TRUE FALSE Chock it skip

A: Number of atoms in 1 mole = 6.02 x 1023

Q: Hi, I am doing a practice test and need to check my answers. All of this is for Chem 101   Please…

A: Answer of given questions are as follows :

Q: What is the molar mass of sugar: C6H12O6? Round answer and elements to the tenths place. (C = 12.0,…

A:

Q: Question attached

A: Number of moles of the substance is equal to the ratio of mass to the molar mass of the substance.…

Q: Urea [(NH₂)2CO] is used for fertilizer and many other things. Calculate the number of N, C, O, and H…

A: Given,The formula of Urea = (NH2)2COmass of urea = 2.99 x 104 g

Q: This question will walk you through the process of calculating the number of atoms present in a…

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Q: 2. How many molecules of ammonia are there in 15.0 moles of NH3?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the empirical formula of a compound that contains 71.9% carbon, 12.1% hydrogen and 16.0%…

A: Given : C = 71.9%              H = 12.1%              O = 16.0%

Q: What is the percentage composition of oxygen in iron(II) oxide pentahydrate FeO.5H₂O?

A: Compound -> FeO.5H2O  First of all we calculate molar mass (M)of compound  Percentage…

Q: d 20 How many total atoms are in 0.870 g of P₂O5? total atoms:

A:

Q: Question 7 of 14 How many atoms are in 2.1 mol of carbon?

A:

Q: 10 Enter your answer in the provided box. How many moles of magnesium (Mg) are there in 75.3 g of…

A: Mass of Mg is given =75.3 g Molar mass of Mg= 24.3 g/mol

Q: How many atoms of Na are in 45.0 g of Na2CO3  ( Na2CO3 = 105.99 g/mol) Your answer should be…

A: In this question, first of all number of moles of Na2CO3 is determined and then with the help of…

Q: CHEMWORK Quinine, C20H24N2O2 is the bitter tasting compound in tonic water. It is also the compound…

A:

Q: Which compounds could be represented by the empirical formula CH2 ? Select one or more: O C2H4 O…

A: Here we have to find out the compounds given  below which have  empirical formula CH2.

Q: A toy top has a mass of 32.0 g Cu. How many atoms Cu are in this spinning top, given that the…

A: Provided amount of Cu in top=32g Molar mass of Cu=63.55g/mol Atoms in 1 mole=6.022×1023 atoms Moles=…

Q: Which of the following is the correct formula weight for Sodium Bicarbonate, NaHCO3?

A: Given NaHCO3

Q: How many atoms of zirconium are in 0.3521 mol of ZrSiO?

A: We know 1mole= 6.022x1023 In 1 mole of ZrSiO4 there is one mole Zr. it is evident from the formula…

Q: Two hypothetical ionic compounds are discovered with the chemical formulas XCI2 and YCI2, where X…

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Q: Determine the number of atoms of O in 57.4 moles of Al2(CO3)3.

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.