How many hydrogen atoms have 7.0×1024 electrons?

-

In a neutral atom, the number of electrons is equal to the number of protons. Since hydrogen typically has one proton and one electron, we can assume that the number of hydrogen atoms with 7.0×10^24 electrons is the same.

So, the answer is 7.0×10^24 hydrogen atoms.

Comments

Post a Comment

Popular posts from this blog

How many gm of NACL are required to completely neutralize 100ml of 1Mof H2SO4?

-
To determine the amount of NaCl (sodium chloride) required to completely neutralize 100 mL of 1 M (molar) H2SO4 (sulfuric acid), we need to consider the balanced chemical equation for the reaction between NaCl and H2SO4: 2 NaCl + H2SO4 → 2 HCl + Na2SO4 From the equation, we can see that 2 moles of NaCl react with 1 mole of H2SO4. Therefore, the molar ratio is 2:1. Given that the concentration of H2SO4 is 1 M and the volume is 100 mL (which is equivalent to 0.1 L), we can calculate the moles of H2SO4 using the formula: Moles = Molarity × Volume Moles of H2SO4 = 1 M × 0.1 L = 0.1 moles Now, using the molar ratio, we can find the moles of NaCl required: Moles of NaCl = (2/1) × Moles of H2SO4 = 2 × 0.1 = 0.2 moles The molecular weight (molar mass) of NaCl is approximately 58.44 g/mol. Therefore, the grams of NaCl required can be calculated as follows: Grams of NaCl = Moles of NaCl × Molecular Weight of NaCl = 0.2 moles × 58.44 g/mol = 11.688 grams So, approximately 11.688 grams of NaCl are...
Read more

What is the reason for potassium cyanide not dissolving in water while other alkali metal salts do dissolve?

-
Potassium cyanide (KCN) does actually dissolve in water, but the reason it is less soluble compared to other alkali metal salts is due to the nature of the cyanide ion (CN^-). The cyanide ion is a relatively large and polarizable ion, and it forms strong ion-dipole interactions with water molecules. However, the cyanide ion also has a high affinity for metal ions, including potassium ions (K^+). When potassium cyanide dissolves in water, the cyanide ions can form complexes with potassium ions, and these complexes are somewhat insoluble. This reduces the overall solubility of potassium cyanide in water compared to other alkali metal salts. It's important to note that while potassium cyanide does dissolve to some extent in water, the resulting solution is highly toxic due to the presence of the cyanide ion, which is a potent poison that can interfere with cellular respiration. Handling and using potassium cyanide should be done with extreme care and under appropriate safety measures.
Read more

What do you know about sodium fusidate?

-
  Sodium fusidate is a type of antibiotic medication that is used to treat bacterial infections. It is derived from the fungus Fusidium coccineum and belongs to a class of antibiotics known as fusidanes. Sodium fusidate works by inhibiting bacterial protein synthesis, which is essential for bacteria to grow and multiply. It specifically targets the bacterial ribosome, interfering with the process of protein synthesis and ultimately leading to the death of the bacteria. This antibiotic is commonly used to treat skin infections caused by bacteria such as Staphylococcus aureus, including those that are resistant to other antibiotics. It is available in various formulations, including topical creams, ointments, and oral tablets. Sodium fusidate is generally well-tolerated, but like any medication, it can cause side effects in some individuals. Common side effects may include gastrointestinal upset, allergic reactions, and skin irritation at the site of application for topical formulati...
Read more