If you have 100ml of water, what will the mass of the water be? How to convert liters of water to kilograms with a formula How many atoms of hydrogen are there in 18 grams of water? If the heat of vaporization of water is 539.5 calories per gram, how many calories of heat are ne...
How many atoms are present in 1 gram of carbon-12? How did the scientific revolution start? Are there any elements in neutron stars, and if so what are they? When an electron is transferred from one element to another, how does the element getting an extra electron still ...
Arrhenius acids are an important class of substances in Chemistry. They are all covalent compounds whose molecular unit can dissociate at least one "H-X" bond to an appreciable degree in an aqueous solution. The composition of each acid's molecule is described through a molecular formula. The ...
To calculate the number ofmoleculesand atoms in a water drop, you need to know the chemical formula of water. There are two atoms of hydrogen and one atom of oxygen in each water molecule, making the formula H2O. So, each molecule of water contains 3 atoms. Molar Mass of Water Determine...
How many hydrogen atoms, which measure 0.1 nm across, will fit across a single caesium atom with a diameter of 0.6 nm ? 72 months equals how many years? In geometry, what is the definition of the hypotenuse? How many atoms are present in 1 gram ...
(ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane. View Solution How many molecules are present in 1 kg mole of a substance? View Solution How many molecules are present in one gram molecular mass of a substance ?
To solve the question of how many moles ofH2Oare needed to produce 1 mole ofOH−, we can follow these steps: Step 1: Understand the dissociation of water Water (H2O) can dissociate into hydrogen ions (H+) and hydroxide ions (OH−) according to the following reaction: ...
How Many Water Bottles Are in a Gallon? Storing Bottled Water Behind the Labels Bottled Water Regulations Under-regulation and Misconception Ecological Effects How Many Water Bottles Are in a Gallon? There are a little less than eight bottles in one gallon of water. Bottle sizes vary bet...
Example: What is the molality of a solution of 3 grams of KCl (potassium chloride) in 250 ml of water? First, determine how many moles are present in 3 grams of KCl. Start by looking up the number of grams per mole of potassium and chlorine on aperiodic table. Then add them together...
How many feet in a fathom? How many types of figures of speech are there? How many hydrogen atoms, which measure 0.1 nm across, will fit across a single caesium atom with a diameter of 0.6 nm ? What are the common factors of 50, 30, and 100?