If the recommended amount of fluoride is 3.0 mg and is consumed as NaF, what amount of NaF must be consumed to meet the recommended amount of fluoride?

Q: why HCHO behaves both as oxidising and reducing agent?

A: In formaldehyde the oxidation state of carbon is 0.

Q: What is the concentration of H+ ions in HCl whose pH is 6.9?

A: Chemical equation of dissociation of HCl is given by, HCl------------> H+ + Cl- Given pH= 6.9 or…

Q: describe the uses, properties, structure, and polarity of ammonium lauryl sulfate.

A: Ammonium lauryl sulfate is a surfactant that is widely used in personal care and cleaning products…

Q: Which of the following statements concerning silicon and its bonding is false? a. Silicon dioxide…

A:

Q: What is the reaction between hydrogen in concentration ion concentration of an aqueous solution and…

A: pH can be expressed as the negative logarithm of concentration of H+ ions or [H+]. The expression…

Q: Write the chemical formula for ammonium oxalate

A: Chemical formula for ammonium oxalate

Q: 31) The F- ion can react with BF3, forming the BF4 anion. In this reaction, A) the F-ion is a…

A: According to Lewis concept of Acids and bases, A Lewis acid is any species (molecule or ion) that…

Q: A 1.047 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 ml. of 0.1180 M HCl were…

A: Kjeldahl's method :-  The percentage of nitrogen in Kjeldahl's method is given by the formula  %N =…

Q: What is the hydronium ion concentration of a 1.2 x 10^-4 M solution of HClO3? What is the pH?

A: Given- Concentration of HClO3 = 1.2 x 10-4 M To find- [H+] pH

Q: Calculate the concentration of all ions present in 6.06 g Na,S in 1.00 L of solution.

A: Molarity = moles/volume of solution(in L)  Number of moles = mass/molar mass

Q: se - University of Connecticut Chemistry 1127 - Macmillan Learning Achieve 432-20150990dc4a,…

A:

Q: Write a balanced equation of CO32- acts as a base in a water solution.

A: According to Arrhenius concept, acid is a substance when dissolved in water gives H+ ions while base…

Q: st be taken because of it?

A: Yes, gallium shares one property with water i.e. it expands on freezing.

Q: Write the ionic equations for the reaction of Group III cations with NaOH.

A: Group III cations are Al3+, Fe3+, and Cr3+.

Q: What is the name of the type of reaction that happens between acids and alkalis?

A: There are various reaction happening between element or Compound , on the basis of the what type of…

Q: What are the types of Calcium Hydroxide?

A: Calcium hydroxide is having molecular formula Ca(OH)2

Q: Write a net ionic equation for the equilibrium that causes the solution of KHTar in water to be…

A: KHTar is used for potassium acid tartarate. A solution is said to be acidic when there is the…

Q: A 0.7041-g sample of impure mercury(II) oxide was dissolved in an unmeasured excess of potassium…

A: Answer:- This question is answered by using the simple concept of of mass percentage using the…

Q: Define alkaline

A: ANSWER

Q: How would you convert CaO + H2O into Ca(OH)2

A: How would you convert CaO + H2O into Ca(OH)2

Q: write the net ionic equation for lithium plus water.

A:

Q: Write the balanced dissociation equation for oxygen diiodide. If it does not dissociate, write only…

A: Concept: Dissociation reaction: Dissociation reactions occur is a type of reaction where one…

Q: Write a balanced chemical equation for the acid-base reaction of oxalic acid, H2C2O4, with sodium…

A:

Q: Using chemical equations, show how the triprotic acid H, PO, ionizes in water. Phases are optional.…

A: Ka is the ratio of  product of concentration of products raised to their stoichiometric coefficient…

Q: Calculate the lithium ion (Li+) concentration for a 0.650 M Li, S solution. [Li*] =

A: A question based on quantitative analysis, which is to be accomplished.

Q: After dissolving 0.35 g of magnesium hydroxide in 135 mL of water, how many mL of a 1 L hydrochloric…

A: M= n / V(in L)   where   n = moles of solute (Mg(OH)2) = mass / molar mass = 0.35 g / 58 g/mol   =…

Q: Sulfurous acid (H,SO,) is a polyprotic acid. Write balanced chemical equations for the sequence of…

A:

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.