science

what will be the law of conversion of a) 65 grams 70 grams
b) magnesium + oxygen = magnesium oxide
45 grams ? grams 80 grams

c) sodium hydroxide + hydrochoride acid
40 grams 36.5 grams
sodium chloride + water
? grams 18 grams

  1. 👍 0
  2. 👎 0
  3. 👁 233
  1. I need help

    1. 👍 0
    2. 👎 0
  2. dzfjhet

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    an average sized dog weighs about A. 15 grams B. 50 grams C. 5,000 grams D. 15,00 grams I don't know the answer, please help

    asked by Anonymous on November 5, 2014
  2. chemistry

    What mass of iodine would react with 48 grams of magnesium to make magnesium iodide?

    asked by juliana on October 8, 2016
  3. Math

    The Empirical Rule: The weight,in the grams, of the pair of kidneys in adult males the ages of 40 and 49 has a bell-shaped distribution with a mean of 325 grams and a standard deviation of 30 grams. A) About 95% of kidney pairs

    asked by Keonn'a on February 18, 2018
  4. Chemistry

    A 4.5 g piece of magnesium ribbon undergoes combustion in air to produce a mixture of two ionic solids, MgO and Mg3N2. Water is added to this mixture. It reacts with the magnesium oxide to form 9.97 g of magnesium hydroxide.

    asked by Doris on October 13, 2010
  1. Chemistry

    Is the reaction of 8 grams of natural gas and 38 grams of oxygen gas to form 17 grams of carbon dioxide in 19 grams of water consistent with the law of conservation of mass?

    asked by Sparky on February 6, 2015
  2. chemistry

    When magnesium is heated in air, it reacts with oxygen to form magnesium oxide. 2Mg + O2 --> 2MgO If the mass of the magnesium increases by 0.335 g, how many grams of magnesium reacted? A. 0.882 B. 0.441 C. 0.509 D. 1.02 E. Not

    asked by Kristen on July 5, 2010
  3. Chemistry

    A 0.250-g sample of a magnesium-aluminum alloy dissolves completely in an excess of HCl (aq) . When the liberated H2 (g) is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 301 mL . The vapor

    asked by Jake on February 28, 2011
  4. Chemistry

    1.) The the following reaction is: BaCO3 --> BaO + CO2 Decomposition reaction Single replacement reaction Combustion Reaction Synthesis Reaction Double replacement reaction 2.) When magnesium is burned in the presence of oxygen,

    asked by Clueless on February 5, 2018
  1. CHEM MOLES !@@!

    Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles

    asked by Theresa on December 16, 2014
  2. chemistry

    Suppose you tried to combine 42 grams of magnesium with 42 grams of oxygen. Which of the two substances would have some left after the reaction and how much magnesium oxide would be formed?

    asked by tony on March 3, 2010
  3. chemistry

    A compound weighing 42 grams was found to contain 12 grams of magnesium,6 grams of carbon the rest oxgen.Determine the empirical formular.i got MgCO3.am i right or wrong

    asked by lucy on April 18, 2020
  4. Chemistry

    When 16 grams of methane gas combine with 64 grams of oxygen, 44 grams of carbon dioxide form, plus water. What mass of water is produced? You can work this problem as a stoichiometry problem OR you can recognize that the law of

    asked by Bryan on October 1, 2006

You can view more similar questions or ask a new question.