Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Olympiad workbookNSECSome Basic Concepts of Chemistry

A common method to clean acid spills is to use Na ₂ CO ₃ (Molar mass 106 g ). If 50.0 mL of 0.75 M HCl is spilt on a wooden surface, the amount of Na ₂ CO ₃ required is

Options

  1. A3.75 g
  2. B7.5 g
  3. C2.0 g
  4. D4.0 g

Correct answer

C. 2.0 g

Step-by-step solution

No Solution

Practice Some Basic Concepts of Chemistry on Quantrex Academy →

More from Some Basic Concepts of Chemistry

Among the following, number of oxygen atoms present is the maximum inWhich of the following mixtures of water and H ₂ SO ₄ would have mass percentage of H ₂ SO ₄ close to 30 ?A 500 mL glass flask is filled at 298 K and 1 atm . pressure with three diatomic gases X, Y and Z . The initial volume ratio of the gases before mixing was 5: 3: 1 . The density ofLithium oxide ( Li ₂ O ; molar mass =30 ~g ~mol ⁻¹ ) is used in space shuttles to remove water vapour according to the following reaction Li ₂ O _ ( s ) + H ₂ O ( ~g ) 2 LiOH _ ( sBattery acid ( H ₂ SO ₄ ) has density 1.285 ~g ~cm ⁻³ 10.0 ~cm ^3 of this acid is diluted to 1 ~L . 25 .0 ~cm ^3 of this diluted solution requires 25.0 ~cm ^3 of 0.1 N sodium hydroWhich one of the following statements is not correct about glucose? ( . molar mass of glucose .=180 ~g ~mol ⁻¹ )1.250 g of metal carbonate ( MCO ₃ ) was treated with 500 mL of 0.1 M HCl solution. The unreacted HCl required 50.0 mL of 0.500 M NaOH solution for neutralization. Identify the metRadius of Ar atom is 145 pm . The percentage volume occupied by an Ar atom at STP is Full Some Basic Concepts of Chemistry list All Olympiad workbook PYQs