What is the Formula for Pb2 and PO4?

What is the Formula for Pb2 and PO4?
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If I know, say, the mass of precipitated PbCrO4 when I mixed PbCl2 solution (100mL exact) and K2CrO4 (excess), how would I go about calculating the original concentrations of Pb2+ and Cl- in the original PbCl2 solution?

Description : If I know, say, the mass of precipitated PbCrO4 when I mixed PbCl2 solution (100mL exact) and K2CrO4 (excess), how would I go about calculating the original concentrations of Pb2+ and Cl- in the original PbCl2 solution?

Last Answer : Are you certain that your answer is incorrect? Ksp=[Pb][CrO4], and as you add K2CrO4, you are increasing the concentration of CrO4 in solution, and the equilibrium position must shift such that the ... wrong. I would be very interested in knowing, given that I take my chemistry AP test on Tuesday.

What is the name for Pb2 plus and O2-?

Description : What is the name for Pb2 plus and O2-?

Last Answer : This is yellow lead oxide or litharge.

Chemical formula of single superphosphate fertilizer is (a) Ca(H2PO4) (b) CaHPO4 (c) Ca3(PO4) (d) Ca(H2PO4) CaSO42H2O

Description : Chemical formula of single superphosphate fertilizer is (a) Ca(H2PO4) (b) CaHPO4 (c) Ca3(PO4) (d) Ca(H2PO4) CaSO42H2O

Last Answer : (a) Ca(H2PO4)

CaH4 (PO4 )2 is the chemical formula of (A) Superphosphate (B) Triple superphosphate (C) Calcium phosphate (D) Meta phosphoric acid

Description : CaH4 (PO4 )2 is the chemical formula of (A) Superphosphate (B) Triple superphosphate (C) Calcium phosphate (D) Meta phosphoric acid

Last Answer : (B) Triple superphosphate

(CH3 C6 H4 )3 PO4 is the chemical formula of (A) Triple superphosphate (B) Tricresyl phosphate (C) Fluorapatite (D) Superphosphate

Description : (CH3 C6 H4 )3 PO4 is the chemical formula of (A) Triple superphosphate (B) Tricresyl phosphate (C) Fluorapatite (D) Superphosphate

Last Answer : (B) Tricresyl phosphate

Chemical formula of single super phosphate is— a. Ca(H2Po4)b. CaHPo4c. Ca3(Po4)d. None of these

Description : Chemical formula of single super phosphate is— a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these

Last Answer : a. Ca(H2Po4)

Chemical formula of single super phosphate is a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these

Description : Chemical formula of single super phosphate is a. Ca(H2Po4) b. CaHPo4 c. Ca3(Po4) d. None of these

Last Answer : a. Ca(H2Po4)

Ca3 (Po4) 2 What kind of salt and what is its name ?

Description : Ca3 (Po4) 2 What kind of salt and what is its name ?

Last Answer : This is calcium phosphate. It is a calcium salt of phosphate group

How many moles are in 124.60 grams of Fe3(PO4)2?

Description : How many moles are in 124.60 grams of Fe3(PO4)2?

Last Answer : 124,60 grams of Fe3(PO4)2 are equal to 0,35 moles.

How many ions are in 1.33 moles of PO4-3?

Description : How many ions are in 1.33 moles of PO4-3?

Last Answer : The number of moles is 8,00944733981.10e23.

What is the compound name for Ba3(PO4)2?

Description : What is the compound name for Ba3(PO4)2?

Last Answer : This is the ionic compound barium phosphate.

What is the compound name for Ba3(PO4)?

Description : What is the compound name for Ba3(PO4)?

Last Answer : Its name is barium phosphate.

Histamine is formed from histidine by the enzyme histidine decarboxylase in the presence of (A) NAD (B) FMN (C) HS-CoA (D) B6-PO4

Description : Histamine is formed from histidine by the enzyme histidine decarboxylase in the presence of (A) NAD (B) FMN (C) HS-CoA (D) B6-PO4

Last Answer : Answer : D

A regulator of the enzyme glucogen synthase is (A) Citric Acid (B) Pyruvate (C) Glucose-6-PO4 (D) GTP

Description : A regulator of the enzyme glucogen synthase is (A) Citric Acid (B) Pyruvate (C) Glucose-6-PO4 (D) GTP

Last Answer : Answer : C

Transaminase activity needs the Coenzyme: (A) ATP (B) B6-PO4 (C) FADT (D) NAD+

Description : Transaminase activity needs the Coenzyme: (A) ATP (B) B6-PO4 (C) FADT (D) NAD+

Last Answer : Answer : B

The example of hydrogen transferring Co-enzyme is: (A) B6-PO4 (B) NADP+ (C) TPP (D) ATP

Description : The example of hydrogen transferring Co-enzyme is: (A) B6-PO4 (B) NADP+ (C) TPP (D) ATP

Last Answer : Answer : D

‘Lock’ and ‘Key’ model of enzyme action proposed by Fisher implies that (A) The active site is flexible and adjusts to substrate (B) The active site requires removal of PO4 group (C) The active site is complementary in shape to that of the substrate (D) Substrates change conformation prior to active site interaction

Description : Lock' and Key' model of enzyme action proposed by Fisher implies that (A) The active site is flexible and adjusts to substrate (B) The active site requires removal of PO4 group ( ... complementary in shape to that of the substrate (D) Substrates change conformation prior to active site interaction

Last Answer : Answer : C

The hydrolysis of glucose-6-PO4 is catalyzed by a phosphatase that is not found in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine

Description : The hydrolysis of glucose-6-PO4 is catalyzed by a phosphatase that is not found in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine

Last Answer : Answer : C

The transaminase activity needs the coenzyme: (A) ATP (B) B6 – PO4 (C) FAD+ (D) NAD+

Description : The transaminase activity needs the coenzyme: (A) ATP (B) B6 – PO4 (C) FAD+ (D) NAD+

Last Answer : Answer : B

The neutral amino acids for absorption need (A) TPP (B) B6 – PO4 (C) NAD+ (D) NADP+

Description : The neutral amino acids for absorption need (A) TPP (B) B6 – PO4 (C) NAD+ (D) NADP+

Last Answer : Answer : B

The number of ions in 1 M aqueous s 0lution of Ca3(PO4)2 will be (a) 5 (b) 11 (c) 13 (d) 2

Description : The number of ions in 1 M aqueous s 0lution of Ca3(PO4)2 will be (a) 5 (b) 11 (c) 13 (d) 2

Last Answer : Ans:(a)

Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O

Description : Toxicity of Mg can be modified by adding ________: a. N b. PO4 c. Ca d. K2O

Last Answer : Ca

Plants absorb phosphorus in the form of (A) H2PO4 (B) PO4 (C) SSP (D) P

Description : Plants absorb phosphorus in the form of (A) H2PO4 (B) PO4 (C) SSP (D) P

Last Answer : (A) H2PO4

Which one of the following concerns photophosphorylation? (a) ADP + AMP ATP Light energy (b) ADP + Inorganic PO4 ATP Light energy (c) ADP + Inorganic PO4 ATP (d) AMP + Inorganic PO4 ATP

Description : Which one of the following concerns photophosphorylation? (a) ADP + AMP ATP Light energy (b) ADP + Inorganic PO4 ATP Light energy (c) ADP + Inorganic PO4 ATP (d) AMP + Inorganic PO4 ATP

Last Answer : ) AMP + Inorganic PO4 ATP

In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process (A) Uses lower grade phosphate rock (B) Requires lower capital investment in the plant(C) Produces lower purity acid(D) Is very costly

Description : In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process (A) Uses lower grade phosphate rock (B) Requires lower capital investment in the plant (C) Produces lower purity acid (D) Is very costly

Last Answer : (C) Produces lower purity acid

Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4 )6 (F, Cl, OH) (C) Urea is more hygroscopic than ammonium nitrate (D) Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo

Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo

Last Answer : (C) Urea is more hygroscopic than ammonium nitrate

Triple superphosphate is chemically represented as(A) CaF2.3Ca3(PO4)2(B) 3Ca3(PO4)2(C) Ca(PO3)2(D) Ca(H2PO4)2

Description : Triple superphosphate is chemically represented as (A) CaF2 .3Ca3 (PO4 )2 (B) 3Ca3 (PO4 )2 (C) Ca(PO3 )2 (D) Ca(H2PO4 )2

Last Answer : (A) CaF2 .3Ca3 (PO4 )2

Tricresyl phosphate is chemically represented as (A) (CH3 C6 H4 )3 PO4 (B) Ca10 (PO4 )3F6 (C) (NH4 )2HPO4 (D) NH4H2PO4

Description : Tricresyl phosphate is chemically represented as (A) (CH3 C6 H4 )3 PO4 (B) Ca10 (PO4 )3F6 (C) (NH4 )2HPO4 (D) NH4H2PO4

Last Answer : (A) (CH3 C6 H4 )3 PO4

The main constituent of bones is (A) CaF2 (B) Ca3(PO4)2 (C) CaCO3 (D) CaCl2

Description : The main constituent of bones is (A) CaF2 (B) Ca3(PO4)2 (C) CaCO3 (D) CaCl2

Last Answer : (B) Ca3(PO4)2