百度试题 结果1 题目In chemistry, NaCl is the chemical formula for? A. Sodium carbonate B. Sodium chloride C. Sodium chlorate D. Sodium chlorite 相关知识点: 试题来源: 解析 B。NaCl 是氯化钠(Sodium chloride)的化学分子式。反馈 收藏
A chemical formula tells us the type and amount of atoms in a chemical compound. In the chemical formula, the subscript tells the number of atoms and the chemical symbol tells us the element. Calcium CarbonateCalcium carbonate is the common natural form of limestone, calcite, aragonite, chalk,...
What would be the formula of the ionic compound that would form between Sr^2+ and N^3-? What is the formula for sodium iodide? What is the formula for lead (II) oxide? What is the formula for stannous hypochlorite? What is the formula for sodium hydrogen carbonate?
Write the chemical formulae of () sodium carbonate (ii) calcium sulpha... 01:12 Explain gram atomic mass in terms of mole concept. 01:51 Why do mixtures not obey the law of constant composition? 02:08 What do we call the particles which have less electrons than the norma... 01:48 ...
Write formulas for the following compounds: A) trisulfur trifluoride B) calcium phosphide C) lithium hydrogen carbonate Write formulas for these compounds: (i) Sodium nitrate (ii) Ammonium sulfate (iii) Calcium phosphate. Write the chemical...
manufacture of glass, ceramics, soap, and paper and as an industrial and domestic cleansing agent. It is made by the Solvay process and commonly obtained as the decahydrate (washing soda or sal soda) or a white anhydrous powder (soda ash). Formula: Na2CO3. See alsowashing soda,sal soda,...
化学公式(Thechemicalformula) Summaryofthechemistryequationsofjuniorhighschool I.natureofoxygen: (1)thereactionofsingleandoxygen:(chemicalreaction) 1.Magnesiumburnsintheair:2Mg+O2igniting2MgO 2.Ironcombustioninoxygen:3Fe+2O2ignitedFe3O4 Copperisheatedintheair:2Cu+O2heats2CuO ...
(ll)using N-acetyl cysteine 10 g (0.020 mol) of ethyl 3-(2-((4-cyanophenylamino)methyl)- l-methyl-N- (pyridin-2-yl)-IH- benzo[d]- imidazole-5-carboxamido) propanoate of Formula(IV) was dissolved in 600 ml EtOH.NH3 (15-18percentw/w) and stirred at 25°C. Added 3.38 g (...
The percentage of DPPH radical scavenging activity was calculated using formula (1), where Ac is the absorbance of control and As is the absorbance of solution. IC50 value was calculated from the plotted graph of radical scavenging percentage against the concentration of ascorbic acid or extracts....
Is sodium bicarbonate an acid? What is the difference between sodium carbonate and sodium bicarbonate? What is ammonium bicarbonate made out of? Is sodium bicarbonate a base? What is the chemical formula for sodium tallowate? Is sodium bicarbonate amphoteric?