191.19 - 191.23
191.21 amu
The chemical equation for this reaction is MgCl2 + H2SO4 → MgSO4 + 2HCl. During the reaction, magnesium chloride and sulfuric acid react to form magnesium sulfate and hydrogen chloride gas. This is a double displacement reaction where ions in the reactants switch places to form the products.
Significant figures represent the precision of a measurement, including all certain digits and one uncertain digit. Decimal places indicate the number of digits to the right of the decimal point. Significant figures are based on the accuracy of the measurement, while decimal places are based on the scale of the number.
When magnesium metal is added to a solution of copper sulfate, a displacement reaction occurs where magnesium replaces copper in the compound. This is because magnesium is more reactive than copper. As a result, magnesium sulfate is formed, while solid copper is deposited as a residue.
The reaction between magnesium carbonate and sulfuric acid produces magnesium sulfate, carbon dioxide gas, and water. This is a double displacement reaction where the magnesium in the carbonate compound swaps places with the hydrogen in the acid.
When adding numbers, the result should be rounded to the same number of decimal places as the number with the fewest decimal places. This ensures that the final answer has the appropriate number of significant figures.
191.19 amu
159.19 - 159.23
The chemical equation for this reaction is MgCl2 + H2SO4 → MgSO4 + 2HCl. During the reaction, magnesium chloride and sulfuric acid react to form magnesium sulfate and hydrogen chloride gas. This is a double displacement reaction where ions in the reactants switch places to form the products.
194.8 - 195
There is a function called ROUND which you can use to round to zero decimal places. If your number was in cell A2, the formula would be:=ROUND(A2,0)
365.39 - 365.43
When multiplying a number with decimal places to the hundredth (2 decimal places) by a number with decimal places to the tenths (1 decimal place), you add the number of decimal places together. This results in a total of 2 + 1 = 3 decimal places in the product. Therefore, the product will have 3 decimal places.
300.03 - 300.07 amu
There will be five decimal places.
0.6851 to 4 decimal places 0.685 to three decimal places 0.69 to two decimal places 0.7 to one decimal place
"Decimal places".
To find the total number of decimal places in a product of two numbers, you add the number of decimal places in each number. If the first number has decimal places to the thousandths (3 decimal places) and the second number has decimal places to the tenths (1 decimal place), the product will have a total of 3 + 1 = 4 decimal places.