If you want to make 0.0061 mol of H_2 gas and have excess magnesium, how many millilitres of 2.0 mol HCl do you need for the reaction? Mg (s) + 2HCl longrightarrow MgCl_2 (aq) + H_2 (g) Consider the following equation. 2Mg(s) + O_2(g) \to 2MgO(s) ...
How many milliliters of a 0.75 M HCl solution do you need to obtain 0.0040 mol of HCl? How many milliliters of 5.5 m HCl solution are needed to obtain 0.15 mol of HCl? How many milliliters of 6.30 M HCl solution are needed to obtain 0.110 mol of HCl? How many milliliters of ...
答案是A
0.1摩尔,氯气的摩尔质量为71g/mol.
50 moles H to grams = 50.397 gramsWant other units?You can do the reverse unit conversion from grams H to moles, or enter other units to convert below:Enter two units to convert From: To: Common amount of substance conversionsmoles H to mole moles H to picomol moles H to kilomol ...
A solution of CaCl(2) is 0.5 mol/litre , then the moles of chloride io... 02:36 How much volume of 3.0 M H(2)SO(4) is required for the preparation of ... 01:13 Which of the following is a colligative property ? 02:44 Molal elevation constant is elevation in boiling point pro...
Error: We couldn't find a conversion between moles HgSe and nanomolHaving trouble with a unit conversion?Try doing a search, or posting to the forum.You may also be looking for a date difference or molecular weight.You can also contact us directly if you find any missing units or errors...
Moles of magnesium (mol) 0.00049 Verify your calculation. In your set-up, do your units cancel? Did you report your data to the correct number of significant figures? Vapor pressure of water (mmHg) 23.8 Barometric pressure (mmHg) 776.0 Observa...
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According to the balanced equation, 6 moles ofH2Oproduce 4 moles ofFe(OH)3. We can set up a proportion to find out how many moles ofFe(OH)3can be produced from 2 moles ofH2O: \( \text{Moles of } Fe(OH)_{3} = \frac{4 \text{ moles } Fe(OH)_{3}}{6 \text{ moles } H_...